Well, don't listen to anyone mean because it's not of how you look or think or act. You just need to be yourself and approach the person you want to know. Just talk maybe hangout. All I know is be you, there isn't really any hard in making friends unless you're not being yourself.
I feel you it’s hard to find friends especially good ones these days sometimes I wish I didn’t do online school so I could have them but you get used to it once in awhile
The figurative language is “like a ball”. It’s an simile since he’s comparing the fall to a rolling ball. Well he’s comparing the way he fell like an ball rolling down the stairs.