My prof has made long eye contact with me, gave me a lot of importance throughout the semester, tried to get me a raise based on his unrequested... Show More
Most Helpful Opinion
He asked you if you're married, so you can also ask him...plus other questions about his personal life, which will show interest.
Don't come on too strong though. Also, it's best to wait until you've finished his class before getting involved with him, since it wouldn't look good otherwise because of the whole "conflict of interest" thing.