Did I do the right thing by going back into the dating game?

So basically my ex girlfriend told me she needed some space and wanted to remain friends in the meantime. Yesterday though (and today) she posted on her Snapchat story of her holding hands with her guy friend and then later of him being "funny" and at the very last second he was climbing in bed with her. This REALLY irritated me so I decided that we were over and I should just go back to online dating. Currently I'm using 2 apps, but so far no luck. I keep telling myself that maybe I'm overthinking this and I should just wait? So now I'm wondering if I did the right thing by going back into the dating pool?

Did I do the right thing by going back into the dating game?
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