He has liked you for a while, Let’s say the moment you protected him from bullies.

After that he really loved spending time with you, Especially since you don’t mind his random rants mainly about space related things.

In the morning you walked in ‘late’, Quickly sitting in your seat just to find out the teacher isn’t here yet.

“Your hair is a mess-“

He says I’m the desk behind you, Leaning on his palm.