I am in love with a man over twice my age!

Him and I met a few years back and became best of friends because of what we were going through. Our friendship grew and neither of us wanted a relationship mostly because he is 25 years older than me. We love each other very much but I am still ashamed by the fact that he is so much older than me. I can’t imagine my life without him. I have dated other men and they dont compare to him. I dont know what to do…I am so uncomfortable telling people how much older than me he really is. I hate it when people wonder whether we are father-daughter. I don’t know what to do…