Does married guy feel guilty for saying these things?

He was my friend for years since we met at Uni, I liked him, he didn’t feel the same. We kept in touch on and off just friendly checking in etc but recently he said things that were a bit wrong.

He messaged me saying hello again but then wanted to know if I was seeing anyone and if I was in the state I could stay with him. I said no thanks and said his wife wouldn’t be happy with that THEN he says they live separately due to work/life…?
Then he apologises if it was inappropriate like yeah a little bit!

He didn’t respond since and I’m not even talking to him anymore, it’s disgusting and I’m so in love with my partner, and HOW can he not feel bad or guilty for saying these things to me? This guy has so many chances with me and NEVER took them, what is wrong with him?

Does married guy feel guilty for saying these things?
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