Alright military wanna-beeeee. Go do some more push-ups and situps and expect to be in good enough condition to be a soviet sniper or some bullstuff like that.
You're not cool.
You're just being an ass because someone joked about you having cancer.
It really sounds like it hit you deep, did someone in your family suffer from the disease?
A grave.
Your brain.
That's probably one of the lamest insults or threats or whatever it is I have ever seen.