@Anonymous333777,
Why would you care what your coworkers think? Are any of them really your friends? I'm a bit baffled there. Are you both single?
If he's you're boss, that's not a good thing and may run afoul of the HR regulations.
Here's the deal...the difference socially between a 26-yr-old woman and a 37-yr-old man is insignificant. in fact, it's fairly normal.
He'll it's not like he's 50. And even 50 is not so drastic.