As in any other relationship, it's important to be able to talk openly and honestly about sexual desires and concerns. However, in order to be able to have good conversations in bed, you have to be having good conversations outside of bed, too -- and not just about sex, but about all the other parts of the relationship.
I miss the days when gay men had to approach each other in-person and at least pretend to be interested in more than "Top or bottom?" and "Hung?" Now guys are less likely to talk to me when they spot me. Instead they'll find me on Grindr after getting home and then cut right to the crude chase: "NSA?" "Fun?"