The main feature of Cialis is that it restores the ability of men to get an erection for up to 36 hours. It is important to note that the erection occurs only when sexual arousal. This will allow couples do not plan their sexual relationship and not to abandon the normal rhythm of life. For example, you take the pill in the morning and go on a date night. Studies have shown that the effect of cialis can not depend on alcohol and a hearty dinner, of course, for some men viagra,levitra it will be another argument in favor of the drug. However, it should be noted, alcohol in large doses by itself affects the erection and, in addition, alcohol abuse can cause erectile dysfunction.