I like another man...

So I have known this guy for a year now. We work for the same company but in different buildings. I don’t see him that often but, because of work we are in contact a lot by email or txts. Every time there is a company event I see him and I recently noticed that I have strong feelings for him. He is very smart and funny and bc of work we always have something to talk about.

He is married and has a daughter, I am also married with a child and one on the way. I love my husband, I love him to death that is why I feel so damn guilty for having this feelings towards another man. 😔 what should I do?