If he likes me but has a girlfriend will he tell me?

Basically I’m interested in this guy and he is very much interested in me. But when I have asked if he has a girlfriend etc he doesn’t respond/dodges the topic. He has said in the past he is ‘unavailable ‘ and when I have asked if this is because of his girlfriend he just ignores it/doesn’t respond. My question is if he has a girlfriend, why would he not tell me about her ( she is never around) and what are some tell tale signs he has a secret girlfriend? #GuysBehaviour
If he likes me but has a girlfriend will he tell me?
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