My friend will neve get into med school.
Is your friend lacking in any way, or are they just not good enough for medical school?
Let's just say I think they're brain-dead.
Your friend might not succeed at medical school, but it's not your place to tell them. Support your friend in their efforts instead.
I meant brain-dead in a figurative sense.
You are being a terrible friend here. You need to support them in whatever way you can.