That Sri Guru Gobind Singh Sahib ji is already one with God.
Yes question what you want but if you do not follow Guru ji then what is the use of all the answers. The answers become meaningless to you and your soul can be lossed in the five theives.
Yes
That i know of nowhere and neither does it say you can cut your hair. Here are some Shabads from the Sri Guru Granth Sahib that helps one realize hair should not be cut nor does it need to be cut.
BHAIRAO, FIFTH MEHL: The Naam, the Name of the Lord, is the Inner-knower of
my heart. The Naam is so useful to me. The Lord.s Name permeates each and every hair of mine. The Perfect True Guru has
given me this gift. || 1 || ang 1144
He gives Support to the unsupported. The
Name of the Lord is the Wealth of the poor. The Lord of the Universe is the Master of the masterless; the Beautiful-haired Lord
is the Power of the weak. The Lord is Merciful to all beings, Eternal and Unchanging, the Family of the meek and humble. The
All-knowing, Perfect, Primal Lord God is the Lover of His devotees, the Embodiment of Mercy.
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The Supreme Lord God, the Transcendent, Luminous Lord, dwells in each and every heart. Nanak begs for this blessing from
the Merciful Lord, that he may never forget Him, never forget Him. || 21 ||ang 1356
Kabeer, chant the Name of the Beautifully-haired Lord; do not sleep unaware. Chanting His Name night and
day, the Lord will eventually hear your call. || 223 || ang 1376
SHALOK, FIRST MEHL: They pluck the hair out of their heads, and drink in filthy water;
they beg endlessly and eat the garbage which others have thrown away. They spread manure, they suck in rotting smells, and
they are afraid of clean water. Their hands are smeared with ashes, and the hair on their heads is plucked out.they are like
sheep! They have renounced the lifestyle of their mothers and fathers, and their families and relatives cry out in distress. No
one offers the rice dishes at their last rites, and no one lights the lamps for them. After their death, where will they be sent?
The sixty-eight sacred shrines of pilgrimage give them no place of protection, and no Brahmin will eat their food. They remain
polluted forever, day and night; they do not apply the ceremonial tilak mark to their foreheads. They sit together in silence, as
if in mourning; they do not go to the Lord.s Court. With their begging bowls hanging from their waists, and their fly-brushes in
their hands, they walk along in single file. They are not Yogis, and they are not Jangams, followers of Shiva.
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They are not Qazis or Mullahs. Ruined by the Merciful Lord, they wander around in disgrace, and their entire troop is
contaminated. The Lord alone kills and restores to life; no one else can protect anyone from Him. They go without giving alms
or any cleansing baths; their shaven heads become covered with dust. The jewel emerged from the water, when the mountain
of gold was used to churn it. The gods established the sixty-eight sacred shrines of pilgrimage, where the festivals are
celebrated and hymns are chanted. After bathing, the Muslims recite their prayers, and after bathing, the Hindus perform their
worship services. The wise always take cleansing baths. At the time of death, and at the time of birth, they are purified, when
water is poured on their heads. O Nanak, the shaven-headed ones are devils. They are not pleased to hear these words. When
it rains, there is happiness. Water is the key to all life. When it rains, the corn grows, and the sugar cane, and the cotton,
which provides clothing for all. When it rains, the cows always have grass to graze upon, and housewives can churn the milk
into butter. With that ghee, sacred feasts and worship services are performed; all these efforts are blessed. The Guru is the
ocean, and all His Teachings are the river. Bathing within it, glorious greatness is obtained. O Nanak, if the shaven-headed
ones do not bathe, then seven handfuls of ashes are upon their heads. || 1 || ang 150
On the fourteenth day of the lunar cycle, in the fourteen worlds and on each and every hair, the Lord
abides. Center yourself and meditate on truth and contentment. Speak the speech of God.s spiritual wisdom. || 15 ||ang 344
Hearing the Bani of the Lord.s Name, all my affairs were brought to
perfection and embellished. With each and every hair, with each and every hair, as Gurmukh, I meditate on the Lord. I
meditate on the Lord.s Name, and become pure; He has no form or shape. The Name of the Lord, Raam, Raam, is permeating
my heart deep within, and all of my desire and hunger has disappeared. My mind and body are totally adorned with peace and
tranquility; through the Guru.s Teachings, the Lord has been revealed to me. The Lord Himself has shown His kind mercy to
Nanak; He has made me the slave of the slaves of His slaves. || 3 || ang 443
Your eyes are beautiful, and Your teeth are delightful. Your nose is graceful, and Your hair is so long. Your body is
precious, cast in gold. His body is cast in gold, and He wears Krishna.s mala; meditate on Him, O sisters. You shall not have to
stand at Death.s door, O sisters, if you listen to these teachings. From a crane, you shall be transformed into a swan, and the
filth of your mind shall be removed. Your eyes are beautiful, and Your teeth are delightful. || 7 || ang 567
I have come to Your Sanctuary, Destroyer of pain; O Primal
Immaculate Lord, may I dwell upon You in the Saadh Sangat, the Company of the Holy. O Lord of beautiful hair, Destroyer of
pain, Eradicator of sins, Nanak lives, gazing upon the Blessed Vision of Your Darshan. || 2 || 9 || 125 || ang 829
Finally, the True Guru said, .When I am gone, sing Kirtan in Praise of the Lord, in Nirvaanaa.. Call
in the long-haired scholarly Saints of the Lord, to read the sermon of the Lord, Har, Har. Read the sermon of the Lord, and
listen to the Lord.s Name; the Guru is pleased with love for the Lord. Do not bother with offering rice-***** on leaves, lighting
lamps, and other rituals like floating the body out on the Ganges; instead, let my remains be given up to the Lord.s Pool. The
Lord was pleased as the True Guru spoke; he was blended then with the all-knowing Primal Lord God.
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The Guru then blessed the Sodhi Ram Das with the ceremonial tilak mark, the insignia of the True Word of the Shabad. || 5 || ang 923
BhagatSingh ji, Why would Guru Gobind Singh Sahib ji give the order to the Sikhs to keep their hair and why did the Gurus keep their hair uncut?