Am I turning sociopathic?

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Whats happening to me /adv/?

>go out for a meal with my large family
>didn't talk to anyone, no one bothered talking to me
>don't care as I just can't wait to leave anyway
>for about 30 minutes all I could think about was how embarrassed and angry I was that I wore a similar dress code to the waiters/waitresses
>spent a further 30 minutes obsessing about a tiny stain on my top, again angry
>one of my family has a baby and everyone is doing that goofy cute shit with it (got your nose etc.) and I feel so uncomfortable at the idea of even saying hello to it (it's a fucking baby why should I even acknowledge it)
>remembered something embarrassing I did, had an urge to go in the toilet and trash it

Can someone tell me what I might be going through? Actually concerned for myself.