It all depends on the person. I bel;eive most people get arm pit hair but it honestly Isnt a right or worng question!
penis
yes it will grow
Yes it is normal. Your penis will change sizes through your entire life. and arm hair tends to come last in the way of bodily changes.
Yes lucas does have arm pit hair, although not very manly person he still does have the capability to grow arm pit hair. yes it is surprising.
Yes
Because we'remammals.
yes
10 years
You cannot.
no because the armpit is the place were hair starts to grow well hair grows everywere but the arm pit is horrible so i have to say no
Girls do have armpit hair but it is less visible then a man's armpit hair
strange not usally arr pit hair is usally the last thing to happen i still do not have arm pit hair and i have facial hair' leg hair and pubes down below and im 14 so it's different for every person