비아그라에 대한 5가지 쉬운 사실 설명

Shake the bottle perfectly for a minimum of ten seconds prior to each use. Clear away the cap by pushing it down and twisting it counter-clockwise. Drive the plunger of your syringe, then insert the tip into your bottle though Keeping the bottle upright over a flat surface. Slowly pull back again the plunger until the essential dose. If the thing i