Impotence & Erectile Dysfunction Support Group
Erectile dysfunction or impotence is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis for satisfactory sexual intercourse regardless of the capability of ejaculation. There are various underlying causes, such as diabetes, many of which are medically reversible. The causes may be physiological or psychological.
http://www.webmd.com/erectile-dysfunction/news/20040513/nightly-viagra-may-restore-normal-erections
1 20 mg cialis will last all weekend long. You can also split the pill into 2-3 pieces.
The Viagra pill is harder and will crumble more easily.
Cialis is also less affected by food and alcohol than viagra. At least that been my experience.
good luck