What's exactly bothers you about your s0n? Would it be any difference if the guy from work was white?
If you're attracted to him and he makes you feel good, then you should totally seize the opportunity and date him.
Parenting teen boys requires patience and empathy, as well as self-compassion, but at the end of the day, it is your life and the responsibility on choosing partners is yours.
Today teenagers are way more mature than we think they're. So, even if he won't fully understand your emotional and sexual needs as a woman, I'm sure he will appreciate the man who puts back the smile in his mom's face after a hard divorce.