Ha. Tell me you don't read much without telling me you don't read much.
Language is a bit more complicated than primary school telling you "an" goes before vowels and "a" goes before consonants. It's about the sounds made not the letters, and H goes both ways regularly.
An honest man vs a hateful one.
And you can have vowels with "a" too!: a uniform, a useful idiot, etc.
Merriam-Webster specifically calls out "historic" as going both ways depending on the speaker.
Your "gotcha" got you.
I have a drink before my DnD sessions as it loosens me up and brings me out of my shell a bit. I imagine that could be called strategic drinking.
As long as you're not relying on alcohol just to get through the day, and you can function well in your life without it, there's nothing wrong with having a drink before a tough conversation.
Humans have been using alcohol as a social lubricant for thousands of years. That doesn't make it safe, but it's also not a great evil, in moderation.