2. Being Able To Drink Without Getting A Hangover
Even though you're still considered a baby in your early twenties, you've found out that there is a massive difference with hangover days - sometimes they last for two or more days. You're getting old. Your body can't handle strolling home at 3am after an unnecessary amounts of shots and still being able to get up and in to work for 9am. Going out and feeling fresh instead of wasting a few days on the sofa seems blissful.