Starting just in the last month, I notice that my circumsized penis has shrunk such that the head has retracted into what little residual foreskin remains. My penis has always been short, but this condition is new to me. My observation is that my flaccid penis seems smaller than it used to be. My wife of 30 years and I have intercourse about every 7 days. I always take Cialis about one hour prior. Because it seems to me that having sex too frequently is associated with ejaculation failure, I sometimes wait another day or two. I have not ejaculated in intercourse for about three weeks now. I ask my wife to vibrate me to orgasm. This is getting humiliating. Perhaps there are physical or psychological reasons linking the shrinking penis and failure to ejaculate during intercourse. It is a fact that after giving my wife a massage, I get an erection sufficient to insert it, but lately, it goes limp on me, and I cannot have an orgasm, which is new. I am an otherwise very healthy retired 77-year-old clinical psychologist, who works out vigorously at the gym three days a week.