In order for a relationship there needs to be a physical attraction and an emotional connection...
If you're serious about making it work, then suggest working out with you. Suggest both of you join a gym, and its something you would like for the two of you to do together...

Looks all go to hell after a certain age, for women it's 26, everything just starts going south after that *hides* (jk! lol).
Men on the other hand are like wine, they get better with age


But seriously, think of things that attracted you when you started high school, end of high school, college, etc etc...
Tastes change as we change...