Why is my ex always trying to impress me?

He dumped me, and says he never really cared about me etc. But every time we talk, he's either sending me a picture of his body without me asking (he's ripped, but he took a cycle of roids so) or he;'ll send me something like a picture of his score that he got on a videogame. What's the point?
Why is my ex always trying to impress me?
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