211. "Negativity bias": Your brain makes you remember bad news more than good. It takes five positive things to outweigh one negative thing.

212. Beginnings and ends are easier to remember than middles.

213. Our brain will always, always, always find a problem. Have you ever wondered why when one problem resolves, another one takes its place? It's not that the world that is against you - it's your brain.

214. Our brain treats rejection like a physical pain.

215. The cells in your body react to everything your mind says. So negativity brings down your immune system and you feel sick.

216. 90% of people text things they can't say in person.

217. You love the music you listened to in school the most. Our brains bind us to the music we heard as teenagers more tightly than anything we'll hear as adults.

218. The type of music you listen to affect the way how you perceive the world.

219. Singing reduces feelings of depression and anxiety.

220. Listening to high-frequency music makes you feel calm, relaxed, and happy.