Is that normal to you ?

Question

I am crackling my neck to get ride of my tense, I do this a lot

Answer 1

"My tense", is that past present or future tense?

Answer 2

My Mate Does It A Lot, Its Bad For Your Neck Some One Told Me It Could Cause Atheritus [However You spell It]

Answer 3

Normal?

I think that cracking your neck has become a habit. Like cracking your knuckles, spitting, tapping your fingers.

It may have relieved tenseness, but does it really help?