For you, me, and anyone who may need it. I encourage you to make a list like this of your own, or add some in the comments.
-Sunrises
-Sunsets
-Lorde's Pure Heroine album
-Treehouses
-Smelling Books
-Bras That Fit (for those who wear them)
-Trees
-Hotels
-Soulmates (friends can be soulmates too)
-Travelling
-Live Piano Music
-Walking/Dancing in the Rain
-Completing a Project Early
-Steven Universe
-Bon Fires
-Red Woods
-Mario Kart
-Scented Candles
-Exceeding Goals
-Blanket Forts
-Feeling Someone Else's Pulse
-Hand Drawn Cards
-Museums
-Making Someone Smile/Laugh
-Diners
-Color Schemes
-Swings
-Graffiti Art
-Milkshakes
-Fall Out Boy Songs
-Road Trips
-Aesthetically Pleasing Photography
-Cuddling
-4am Kisses
-Historical Fiction
-Reading
-Cookie Dough
-Miyazaki Movies
-Treasure Hunts
-Hugs
-Sleeping on a Couch
-Babies
-Staying up Late Talking
-Coffee Shops
-Plants
-Cold Showers
-Empty Movie Theaters
-Nutella
-The Way Bakeries Smell
-Learning New Things
-Cloudy Days
-Laundry Fresh From the Dryer
-Pajamas
-Pine Trees
-Vinyl Records
-Hot Tubs
-British Mystery Shows
-Eye Contact
-Antiques
-Camping