afrid2002 . Here's the second chapter.

Instead of writing that he was scared, say that he was taken by surprise by the other person about what he said and found it funny, only to find out to his horror that the person is actually a very big threat.

Whenever you write in the first person, write in the past tense. Example: "I raced down the narrow trail." Instead of , "I am racing down the narrow trail."
It makes it easier for both the readers as well as the author.

The portion about the time is not properly written. It's better to write it like this:

My phone had gone crazy. The time shown on the top kept fluctuating. Those little numbers really did a good job at making a nervous train-wreck. (Is that even a thing?Well, I guess I'll stick with it for a lack of a better phrase. I have other things to think of right now.)
My entire being was on an edge as I kept looking over my shoulder............

You could add a little humor in such situations to show he is actually very nervous and scared and is not thinking straight.

The part where I scribbled on needs to be rewritten. It was a real turn off. Seriously. Rewrite it.