Men are looking for aphrodisiac methods all their lives, some methods are very complicated and unfeasible, is there a simple and effective aphrodisiac method? Let's look at these men's methods of aphrodisiac. 1. Alternating hot and cold bath can improve the sexual function of middle-aged and elderly men This is a very old exercise method to enhance male sexual function. When using alternating hot and cold baths, it is best to warm the bathtub fully before exiting the bathtub, apply cold water to the genitals, wait for about 3 minutes, and then enter the tub after the penis and scrotum contract. In this way, repeated 3~5 times can be ended, if you continue to alternate bathing every day, men after middle age are energetic, enhance function, reduce fatigue, this hot and cold water can alternate bath, use shower showerhead, the effect remains unchanged. 2. Air-cooled exercise method suitable for young men For the testicles, sleeping under a quilt cannot be said to be a good state ...