They’re not allowed to get you drunk
If you’re someone who likes to remedy a long and boring trip with some booze, you may be dissappointed to know that you’ll likely be cut off far sooner than you’d have hoped. One flight attendant says “We were told one in the air for two on the ground. Also, it is illegal to be intoxicated on a plane and it is illegal for us to get you drunk. So, if we cut you off, don’t argue; we may serve you later if you’re nice.”