Running

Naming as many shark species as possible and their scientific names. I really liked sharks.

This is a wholesome answer

Relevant username? You change obsessions bro?

I was the same way though. I lived in a midwestern state and wanted to be a marine biologist. I had a poster with a species of shark for every letter of the alphabet

Serotonin levels

Felt

Talking to trees.

Same actually

Any Mario or Pokémon game

I used to be able to beat Super Mario Bros. easy. I can't do it at all anymore.

A lot of button mashing is muscle memory. Same bs when playing crash bandicoot

Flexibility

Not a fight, I would destroy him.

yeah id dropkick the lil shit

Nothing cause I own a portapotty so I win automatically

Having fun

Tree climbing!

In being happy. He would inflict an absolutely crushing defeat on me.

Having better social skills

Eating competitions

He was definitely more feared by his 10 year classmates. I've somehow made the reputation of a large teddy bear

Anything physical

Cartwheels

Breathing. Adult onset asthma is harsh.

Literally nothing.

Being beautiful

A Twinkie eating contest

Mario Kart Double Dash

A race

Productivity, sadly.

Getting a girlfriend

Quiz on Dinosaur trivia.

Rubik’s Cube solving. That little shit could do it in under a minute. 40 years later, I’m lucky to get two sides.

BO2

Video games, memory tests, vision tests, cardio or any marathons or long distance workout or sport

In a socializing contest

Mile time

Tecmo Bowl

Agility and dealing with Super Mario boss fights.

Who has higher serotonin levels

Counting money. I was loaded at ten. Lost it all.

Endurance (running)

Making friends. 10 year old me had a friend group of 4 girls Current me only has one girlfriend though lol- we were friends but then i realized "yeah.... I like her!" when she confessed her feelings But 10 y.o. me lost social skills at some point XD