Wake up ten minutes earlier so you can enjoy a cup of coffee in bed.
Watch a sunrise or a sunset at least once a week.
Every once in a while, buy yourself something totally impractical that you don't need whatsoever.
If you have stuff in your house you don't like or use, throw it away.
Decorate your house for fall. If that's not really your thing, just drive yourself to hobby lobby, buy a scarecrow or pumpkin, and put it on your table. Instant happiness.
Have a premiere party for all the new fall shows. And by premiere party, I mean turn your phone off and sit down with a pumpkin coffee and a hoodie and binge watch the goodness that is fall television.
Glitter nail polish. Enough said.
What's your favorite cocktail to get when you go out? Learn how to make it at home.
Watch the first movie that pops up on your Netflix recommendations.
Sometimes, just make the decision that you're going to have a fun night. Even if you have to wake up early the next day, or even if you have ten dollars to last you the week. Just make yourself have fun, no matter what that looks like to you.
When you're having a bad day, pour yourself a glass of champagne and turn on your favorite song and dance around the kitchen to the whole thing. Just try to still have a bad day after that.
Decide that today is going to be a good day. Decide to be happy today.
What makes you happy?