I dont think it really matters why you start playing the guitar
you'll only stick with it if you truely love it when I started playing
guitar I didnt even really want to my uncle bought one and didn't
have enough time to play it so he gave it to me it just sat in the
corner of my room for months then a couple of my friends started
playing so I picked it up one day and I never putt it down
baisicly you dont know til you try