Is it a bad sign If he starts to fart around me and we aren't dating yet?

its been 3 months and im waiting for him to call me his girlfriend but he be farting and burping around me. Idc that much i was totally ok when he would say sorry after doing it but now he's just comfy. I dont want him to feel bad and try to hold it in or be embarrassed but does that mean he doesn't have as much interest in me to be his girlfriend (we have a sexual relationship rn just no labels) or is that a good sign he's comfy and might take it to the next level.

Is it a bad sign If he starts to fart around me and we aren't dating yet?
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