The following lines will get a dude excited to suit up...
'I love how uninitiated I feel in bed when I know we're being safe.
Rowr!'
'Whoa! You're big to begin with, but that thing makes you look
huge!'
'How awesome is it that with these, we can go all night?!'
'I love it when you taste like strawberries!'
'Whoopee, a studded one! Ride me, cowboy!'