Wow, you are a real smart one aren't you?
Have you ever had a relationship end badly? Do you really think your boss would keep you around if it did?
There's a reason people refer to workplace relationships as 'shitting where you live'!
It is NEVER a good idea to consort at work. With only the rarest of exception, such connections WILL work out badly. They don't last, and - likely as not - someone loses their job and their reputation.
17 is not a good time to have a baby. I found I wasn't ready at 25 my wife wasn't either at 24. To much fun things we still had not done. How old is he? and does he have kids?
You can get child support and ruin a marriage.
Just because he likes getting fucked and sucked don't mean he don't mean e don't love is wife. It's hard for men to turn what you are willing to do down. Have you met his wife or kids if he has kids?