Lust trumps love when it comes to having sex

[Ghoulish Delight]

Originally Posted by Alex

No. With other actions I would also add:

3. Because it is fun for someone else (I've done many things simply because Lani wanted to but I don't think I've ever had sex when I wasn't expecting to enjoy it or get something out of it).

4. Because it is simply the right thing to do, even if it conflicts with my personal self interest.

And, much more frequently in the non-sex realm of activities, the previously mentioned "I was forced/manipulated into doing it."

But those could all be boiled down to be viewed as forms of #2. Hell, even #1 is a subset of #2.