Alcohol intolerance?

Hi hello

So i have this tiny problem. Inconvenience kinda.

Iam currently 20. Time to party and have fun but I realized that- i can no longer drink as i used to. I always got tipsy easily but I was rarely ever nauseous. It would take a lot of effort for me to actually get to this point.

Now tho- two drinks and iam in the mood but then immediately iam sick and I feel like vomiting. I really have to drink shit tons of water, eat a lot, not mix to be able to go up to four drinks and thats my maximum/ the point where its inevitable for nausea to appear or even worse.

I dont have desire to get hammered every time i go out but it is kinda annoying always having to bring water or if bars dont allow it then buy extra water from them. Like I just spent a lot on pretty much sober evening.

I will probably take it as my sign not to drink anymore but yeah it is annoying and I wanted to know if more people struggle with it and if its sign of intolerance or maybe if i should be worried bit more about my health. I didn’t notice anything else unusual than this. Also maybe to clarify i was born a woman so if that has something to do with it as well?? I have no idea.

Thank you for any helpful responses and if you dont have anything nice to say please don’t respond. It might be stupid question but I just hoped to get insight from others as I dont have anyone else expecting this around me and Google does this lovely thing which is basically “so yeah you have three types of incurable illnesses and you will die tomorrow.”