The first date is more crucial. You won't know him inwards out but you will figure out his personalities from the way he addresses you. Here things to ask him on your first date.
Are you a working class?
It's a good question to ask because you need to know his occupation. Some men especially those doing casual jobs won't be open to telling you the exact job they do for a living. They might cite a lucrative job just to show off. Besides, such questions brainstorm them.
Are you God fearing person?
Ask him if he accepts Jesus as his personal savior (if he is a Christian) and likewise in other religion. Definitely, he will say that he fears God but to justify, ask him in a polite way to quote any renowned verse in the Bible or Qur'an.
Avoid dating men who will ruin your religion because he might be a bad influencer. If you are church mouse date a man who is also a church mouse.
May l look your phone for a moment?
"May" to mean you are requesting. It's shouldn't be a commanding question. This questions might be hard to ask but be courageous and ask it. The motive of requesting his phone is to find out if he is a player or not. If he relents or fails to give out the phone then there is something fishy that you should find out.