Is he taking her seriously?

My ex broke up with me and started dating someone new. I try not to stalk but sometimes curiosity gets the best of me. They started talking and she would post him on her Instagram and then I’m pretty sure they broke up for 3 months. I think they got back together, because now she’s posting matching shoes with him on her stories. I know I shouldn’t care, but he never posts her at all and doesn’t comment or like her photos. Is he taking her seriously? Or just using her to fill a void. He’s someone who can’t be alone and I think it’s just out of convenience because he hasn’t introduced her to his family (I’m friends with his cousin). Does he actually like her?

Is he taking her seriously?
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