Barely got buzzed last night after drinking nothing but liquor?

I had 3 mixed drinks, all with lots of alcohol. Rum, vodka, etc. I had a shot of Fireball and Crown Royal. I barely got a buzz, but I did eat dinner in the mix. Did the food impact it that much? The people I was sitting with that were drinking beer were more tipsy than me. The last time I got drunk, it took 7 shots of Jaeger, vodka, and rum, straight. Just wondering if I might have a high tolerance?
Barely got buzzed last night after drinking nothing but liquor?
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