18 and falling for a 32 year old

I don’t know what to do honesty... we both feel a certain way about each other but I think he is married but he hasn’t told me but I had to do some research to find that out. When I found his account it looked like he was a step father to a baby with cancer. I feel like there is something really wrong with me since I can’t stop thinking about him and yet the fact he has a child.....