Am I Allowed to Move on?

My ex and I broke up over a month ago. We both agreed to be amicable and respect each other. I’ve felt bad because I’ve met some nice guys that I wouldn’t mind going on dates with. But I didn’t want to disrespect my previously long term relationship.
However, recently, he’s taken to partying with the boys 3 nights a week at nightclub style bars (when he was a total homebody both before and during our relationship). He’s getting wasted at least 2 nights per week (up to 4) since we broke up. Does this mean it’s socially acceptable for me to date again or would it be wrong of me? I’m not the partying type, I’ve done all of the self care, and the relationship was dead for over half a year before the breakup. I just don’t want to seem disrespectful because I do care, he just wasn’t right for me.
Am I Allowed to Move on?
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