A few typos, but otherwise it's looking good. I liked the slice-of-life and witty banter.

Cute it hardly sexy.

Is

The fight instinct begins to fade in me as I order my heart to beat sower, my lungs to fill more easily.

Slower and I do believe that's a comma splice.

I love this series...

“Are you kidding?” I groan with a roll of my eyes. “This is definitely for my benefit. I’m just trying to be charming and shit.”

“Well, I already think you’re charming. And shit. So relax.”