비아그라에 사용할 수 있는 최고의 단일 전략
Shake the bottle perfectly for at least 10 seconds in advance of Just about every use. Get rid of the cap by pushing it down and twisting it counter-clockwise. Push the plunger with the syringe, then insert the tip into your bottle when holding the bottle upright with a flat surface area. Slowly pull back again the plunger until finally the require