Try looking at her as your casual sex partner. Meaning you have the relationship of a couple but it's nothing serious. See if the relationship between you works out but just be prepared for heart ache. The relationship seems okay to me but she is 23 like you said and she isn't going to commit as much due to the age difference. I hate to put a downer on you but try and look as it as a casual relationship and just enjoy the moments you do share

Bivio