cause it bundles up in ur bladder and when u finally let it out, it come out alittle bit more than its suppose to cause u been holdin it in so its a natural reflex to shiver. Ik, ik, im just smart like that(:
it used to happen to me, made its because its all rushing out of you? What I did was just relax and not really pay attention to it, just find your target and let it all go.
well hey that happens to me too. im not really sure either
maybe the windows open just a bit and your cold?
Lol same thing happens to me but idk why...
xD I guess because it feels good..? Idk.