Not a good thing yo. XD

your throat probably got damaged to the point of bleeding if you coughed too hard and excessively. ;A;

yeah D:

Kinda true. Had headache. And have been coughing too much.

Try the old remedy of gargling salt and water. Doesn't necessarily heal it, but it helps quell the pain as I hear.

^this

butbutbut........I'm lazy. and no one except you guys and few of my classmates know anyway.

but its bad to find blood D:

I found blood in my phlegm this morning and yesterday morning. And Saturday morning.

you need to go to the chemist or something D:

nu. I didn't go to a clinic when I had those goddamn chest pains. hurts so bad.