Acts as a small dose of icebreaker, and thus reduces the sensitivity of a man. 2-4 jumps 20-40 minutes before the start of the process, and it is desirable before the process to wash the place where the water jumped, because. In case you start with a blowjob, the partner can slightly numb the language). No negative sensations were not, just by reducing the sensitivity of the organ, a man can tighten the ending on extra 30-90 minutes (as it turns out and as you want), the potency does not seem to affect, just tightens the rank of a man. There is about an hour and a half, then you can repeat, the dose can only be reduced to 1-2 pshikov. In general, a normal remedy, if you really want to your girlfriend to the depths of the soul.