As far as boyfriends go? Cyclops wins hands down. Followed possibly by spiderman... Then stark then wolverine...
Scott was in a relationship with Jean so greet they developed a telepatich rapport. Her love for him so great she rewrote time for him. Scott would do anything for his girl and his girl would do anything for him. Currently see how far Emma is willing to go for Scott...
Spiderman. Mary Jane and him were able to prove their love through a deal with mephisto. Even though death was constantly knocking at the dor Mary Jane was willing to stay. However spiderman loses points for having had his ex girlfriends killed by his enemies.
Wolverine. Can't hold down a long term serious relationship. Known to go after women who are already taken. Also has a serious temper issue referred to as his berserker rage!
Tony stark. Playboy. Known for turning on his bestfriends when business gets in the way (civil war). Considered a workaholic so not enough couples time for his girlfriend. Also a recovering alcoholic.