Why do I feel like I regret "No Contact" with my ex?

My bf of 5½ years broke up with me last week crying really hard saying his feelings has changed. He told me he tried hard to get it back but it never came back after a month and half.

Since then, we still talked daily. It wasn’t painful at all talking to him, we could still talk, joke, laugh, etc. He didn’t lead me on or give me false hope. We just always had open communication and honesty with no games. It made me happy talking to him…but some days I get sad thinking about him and missing him.

Before I went NC (no contact), I made sure we had a great conversation like we usually did. Got all my questions answered…I asked “I told you how I feel…I want to know what you’ve been thinking.” He said he didn’t want to break up but he felt he had to because of his feelings, that he did miss me and think of me but he can’t complain since he did this to himself.

Then I told him about NC and he got upset and said he disagreed and didn’t understand. That we would grow apart even further and lose our friendship possibly because of not talking. Also that he wants to be here for me and he tried to make this break up as less painful as possible. When we said goodbye I felt like things were so wrong and got worse.

I felt like he resented me and will now have negative thoughts about me from now on for making this decision. He told me that he’ll still be here if I need to talk to him…

I feel like I made things worse between us.