So I did about a 45min session the other day of pumping (3x7min) and in between those sets, did 5-7min of jelquing. Felt no pain thru the whole session, was getting good erections for pumping. On last pump set, I did notice right side of dick, look like a vein (I think it was a vein) looked extra full. Did some rolls to finish set n everything looked n felt ok. 2 days later today, i get a random erection n i feel that "vein" again but not that it hurts but it feels sensitive a bit n its tough/stiff, more than a usual vein. Did I fuck something up? Havent had sex yet or wacked off so dont know if my unit will work for some action but dont know if I need to hold of on training.....thanks for any input