I'm 34 he's 18...I'm in love with a younger man

I'm so worried, I'm 34 hes 17, we are taking the same course in college, hes second year Im first year. I don't know what it is,but i have a HUGE attraction to this young man. i don't know if its because its the idea, or the wanting what you cant have, I dot even know if he likes me that way. I'm so stupid when it comes to the opposite sex.. completely oblivious dot't want to do anything because I'm afraid, the laws, what people will think, Like I said i don't even know if he likes me that way. This is just what I see..I could be sitting in the hall way,and he could walk past with a group of friends ad he will notice me, and stop and comeback to talk to me. if Im in the kitchen he will come in and talk to me and help me I have offered him a ride home once and he invited me(his parents too) for tea(another awkward moment, he lives with his parents still) but when we were all standing around and when his mom took me in the house, i turned around and he was watching me( well I think he was). I like him because he is everything any guy i have ever known is not. He is a gentleman, he knows how to talk to someone without being abrupt or disgusting, hes interesting, we talk about all kinds of things from news, to music to our classes his art, his life, my life. and.... i feel "dirty" but he is built like a brick sh*t house(farm boy).... omg... i hate this... but i cant stay away, and he makes me feel 

I am 16 years older than my man and I can't even deny that it is amazing!!!  I seriously love him and I am so attracted to him.  He is gorgeous and smart and funny and honestly everything that a decent man should be.  It's taboo but if it's love, let it happen.

I dont know what to do. I am 39 and my boyfriend is 23. We have confessed our love for each other. He is trying to get me pregnant and I have really not tried to stop him. He has stopped useing condoms and I am not on any birth control. I'm so scared right now for the future. What if he leaves in the middle of my pregnancy or after the baby is born.