Because you're not letting me know you want it, or you're on my normal crew and lower ranked.

The favorite? ...you said specifically on the ship or I'd have a different answer. I guess I'll have to say the obvious and say Jim. It's interesting to see yourself reflected, literally! Plus the sex? Awesome.

Least? Captain Pike. Fucker.

If you said off ship? The really old Spock and Nero. Fucker.