Feel nervous/embarrassed about buying booze?

I’ve always felt a weird anxiety about drinking, especially drinking around people or buying liquor. I guess it could somewhat be cause my mom was a hard-core teetotaler. Could also be partly because I have a strong feeling that I’m well on my way to being an actual alcoholic. It’s just a feeling I’ve always had, even before I found out that on my family tree there’s at least one drunk hanging off each branch. I haven’t even had that many drinks in my whole life yet. But I guess the amount that I love how alcohol makes me feel and how desperately I crave it might be cause for concern. Like when I was living with my mother and thus couldn’t drink even though I was over 21, every time I went to the grocery store I’d up in the beer and wine aisle literally trying not to cry. But anyway, my main question is, am I the only one who has this weird anxiety about alcohol?