Hello, While it once was regarded as a perversion and a sign of a mental problem, masturbation now is regarded as a normal, healthy sexual activity that is pleasant, fulfilling, acceptable, and safe. It is a good way to experience sexual pleasure and can be done throughout life. Well how many times as normal,;is usually individual based, some experts say masturbation 5 times a day is as healthy way, Masturbation is only considered a problem when it inhibits sexual activity with a partner, is done in public, or causes significant distress to the person. It may cause distress if it is done compulsively or interferes with daily life and activities.