hi im a 18y.o male. 5.9approx156 to 160lbs i workout daily: run 3,4 miles than weight train for about an hour, i ve been doing this routine for about five months. and lost over 50lbs.for the first time today during my workout, my nipples started stinging alottt it was severe, but i was still finishing my routine. when i got home for a shower, i took my shirt off and saw my nipple tips. they were red burning! when water fell on them during my shower i felt like dying. they were stinging severly. please someone help me and give me some advice to prevent this prob and cure it :) thank you. if needed my email is amin.abid04@yahoo.com