Why does really bad heartbreak, make you not even want to date anymore?

It’s weird, I been single for 3 years and have gotten into the talking phase with multiple women and it always results in the same outcome.. I talk to them for a few days and then suddenly stop caring to respond to them. I don’t even ask them when they’re free to take them out lol

I’ve never in my life been this way, but ever since the train wreck that is my last relationship. This is my new normal behavior
Why does really bad heartbreak, make you not even want to date anymore?
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