Why would a guy still talk to a girl he feels is unstable?

( In the beginning) I pushed him away, I told him I’m a walking red flag and he agreed, I said things that wasn’t logical, I misunderstood things…

I ended up getting hurt and rejected in the end and he ended up calling me crazy… but he already knew that so why continue?

I gave red flags day one

im unstable

Why would a guy still talk to a girl he feels is unstable?
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