Are exes discussed in rehab?

My ex broke up with me and never was able to give me an answer because I don’t think he rlly knew why he did. He’s impulsive sometimes. But hasn’t been able to leave me alone even after going out on dates for a year. He ended up being sent to rehab for alcohol and hoping he will end up getting some clarity on why he broke up with me and either feel justified and give me closure or realize he made a mistake. Will past relationships be brought up in rehab?
Are exes discussed in rehab?
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