The least amount of time?
1. BlueBalls' feet. I find guys' feet disgusting. Yes even yours Bluey!
followed by
2. BlueBalls' hands. They're always so rough. That makes my dickie sore!
Most amount of time?
1. Bluey's sexy butt! Mmmmmmmm....
2. His dickie! Small, but tasty!
Edit: Oh on FreeOnes?
Erm...
BlueBalls' profile page.
Because he always makes me so horny that I can't concentrate on anything else.