1. Staying up late..and sleep in general.

Your early 20s:

-I stay up all night every night.

-Who needs sleep?

-Oh, it is 4 am, I guess I should go to bed now, so I get some sleep.

Your late 20s:

-I am almost always in bed before midnight.

-I need all the sleep I can get.

2. Going out..especially at night.

Your early 20s:

- We will meet at around 10 pm.

- Let's go to the club and drink and dance all night long.

Your late 20s:

- Going out at 10 pm? At night? Are you kidding?

- Drinking and dancing in a crowded club for hours and hours? Oh hell no.

3. Handling your finances.

Your early 20s:

- I will save money later.

- I can buy whatever I want on my credit cards and deal with paying the balances off later.

Your late 20s:

- I need to start saving towards important stuff like buying a house or a car.

- Student loans are going to own my soul for the next twenty years or so.

4. Thinking about the future.

Your early 20s:

- I have all the time in the world to think about my future.

- I can worry about 'figuring my life out' later.

Your late 20s:

- I am almost 30 and I STILL do not have my life perfectly figured out!

- I am so totally failing at life right now!

5. Social Media.

Your early 20s:

- I need all the friends.

- I need to delete this photo because nobody liked it.

- I need to turn on every and all notification.

Your late 20s:

- I cannot be bothered to be notified of every single post, like and share.

- Quality over quantity when it comes to friends.

6. The morning after heavy drinking.

Your early 20s:

- I feel totally fine.

- Let's do this again next weekend and every weekend.

Your late 20s:

- I need like three days minimum to recover from this.

- I never want to do this again.

7. Diet and dieting.

Your early 20s:

- I can eat anything and not gain any weight.

- My stomach can handle whatever I eat or drink.

- My cholesterol, blood sugar, etc. are totally fine.

Your late 20s:

- I actually have to watch what I eat if I do not want to gain a ton of weight.

- Certain food and drink combinations are now a no-go if I want to not feel like hell in two hours.

- I have to watch my cholesterol and stuff like that now.

- I should actually schedule regular checkups.

8. Worrying about what others think about you.

Your early 20s:

- He/she thinks what about me? That is so not true!

- Constantly worrying about what every person they encounter is thinking about you.

Your late 20s:

- He/she thinks what about me? Oh freaking well who cares?

- I do not have that much time or energy to worry about what everyone thinks of me.

- You cannot please everyone.

9. Driving.

Your early 20s:

- I want to drive all over the place.

- Sure, I will gladly drive everyone everywhere.

Your late 20s:

- I hate driving

- I want to drive as little as possible.

- Everyone else drives like a total idiot