He’s been bread crumbing me, after sex. is he using me?

This guy been trying to get at me for months and we had a dateWe had sex, but he’s been texting less for days now before he would text fast and if I took long would get mad now he doesn’t. He won’t text me unless I double text him and I’m not gonna do that. he always gives me excuses saying he’s been in a complicated situation or weird” but been posting on social media, watching my stories but won’t text back? The sex was good for the most part and after he said that he can’t wait to see me again. Did he use me? Or am I overthinking? I don’t even know and he been posting a lot of stuff about babies saying he can’t wait so is that baby fever? Or he has one on the way and that’s what’s the complicated situation? I’m just confused.
He’s been bread crumbing me, after sex. is he using me?
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