yeah but only with people I've been really close to in the past, it's not something like a hobby or anything and I wouldn't be eager to do it with just anyone.
none
Masturbating yes but it was by my partner at the time so it was ok.
Sex though no
Can't really recall
Nope, none whatsoever :c
A new mouse for my computer I suppose, it's pretty neato
Never tried
Usually I trim it just to keep it all under control
Very yes
They aren't especially sensitive or anything, I'm indifferent to this