So, my ex (who I broke up with 2 weeks ago) liked an Instagram photo of a girl and unlike it two days later, what does that mean?

I noticed it because he reposted it on his story and I asked him why he is doing thing like that after one week of our breakup, he said the girl ask him to... I blocked him after that...(After breaking up, he still wanted to stay in contact, its because of that we are still friend on social media)

So, my ex (who I broke up with 2 weeks ago) liked an Instagram photo of a girl and unlike it two days later, what does that mean?
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