1. Hes told you he does not want to get married.
2.He gets hostile when the topic is brought up.
3.Hes proposed but hasn't set a date.
4.He doe's not introduce you to his family and friends as his girlfriend.
5.He says "He does not believe in marriage"
6.He brings up past conflicts and sayings things like "This is why im not marrying you" to be spiteful.
7.He says he is waiting for the perfect time to propose (but never does).
8.He does not want to move in with you or purchase a home/car with you or make any investments with you.
9.He dosen't talk about the future with you.
10.He has a very bleak view on marriage