I would wait a little longer, you know feel him out first and the signs will be clear.
Salam You can talk to him about his study or his job,about his family etc and listen to what he will tell you. If he care of you and share with you his experience it means he likes you Based on age difference you are ideal with him.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.