this problem make me very angry....what's wrong here ?

Unity Engine
1

this problem make me very angry…what’s wrong here ?

1629502--100231--$f.png
1629502--100231--$f.png734×365 11.7 KB
1629502--100231--$f.png
1629502--100231--$f.png734×365 11.7 KB

2

I am not a JavaScript-Guy, but
Health {-100};
doesn’t make any sense to me.

Try this:
Health -= 100;