Can someone let me know if my boyfriend’s drinking habits are abnormal?

Both 20 in college. My boyfriend and I live together by ourselves in an apartment.

Usually my boyfriend will get a handle of smirnoff vodka (1.75L) and will stay up drinking from around 6:00 pm – 2/3:00 am. Maybe around 12-14 shots total throughout the night. He doesn’t have a shot glass and just pours it into a cup and drinks it.

We both estimated its around that amount but he just pours a lot in a glass and slightly chugs it.

He also will not quit drinking until the handle is gone (just to get it over with from what he says). So it will be every night for about 3 days until it’s gone.

It happens every other week or any time he gets a chance to drink. It makes me stressed because of the way he acts when he drinks but he doesn’t care.