Screaming and Singing like rock singers ... Possible Risks ?

Question:

Screaming and Singing like rock singers ... Possible Risks ?

I figured out lately that i've the ability to imitate some of the rock singers that i like. and everyday when i wake-up i drink water first and taste my rock voice, since then.

But i don't feel that using my voice this way is painful.
The Question is ... is there a risk doing this everday .... i mean ... is it harmful to the vocal cords even if it wasn't painful and doesn't injure my throat ?.

Thanks inadvance ...

Best Answer - Chosen by Asker: if it doesn't hurt, then you're doing it right and it shouldn't damage your vocal cords.