He doesn’t call you his girlfriend
If a guy finds it hard to introduce you to people as his girlfriend, you better know It isn’t labels he has a problem with, it’s you.
Forget all that talk about not wanting to go public with the affair just yet. Any guy that’s looking to go the mile with you will not find it hard to introduce you as his lover, especially to people that matter in his life.
You’re going to be with him for the long haul, right? So what’s the point of hiding it now?