Is my ex using me?

I still love my ex but I’m starting to feel like i should cut him out of my life so tell me what you think. So about almost 2 years ago my ex texted me after not speaking for a year asking if i wanted to hook up he asked for weeks until he finally stopped texting then months later he posted with a girl kissing her with the caption “ya snooze ya lose” and then fast forward to now in April he asked again after not speaking for a year again but this time he only asked one time and now we haven’t spoke in months. Now he’s with a new girl that he got with in July which is only 3 months after he asked me to hook up again and i can see everything he posts because i still have him on everything which means he is posting her. I really think that it’s messed up to treat someone that you use to care about like this or still care about? i don’t really know how he feels, so do you think he’s using me and should I cut him off?
Is my ex using me?
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