Boys wearing condoms feel uncomfortable may have the following reasons: 1, with condoms will reduce the sensitivity of the glans caused by. 2, the purchase of condoms do not fit the size or quality caused by the size of their own genitalia when buying condoms to buy, poor quality condoms easily lead to penile skin allergies. 3, psychological factors lead to. Condoms have a very good contraceptive effect, and can effectively prevent sexually transmitted diseases, check whether the condom is broken before using the condom, if there is a breakage will cause semen spillage leading to unintended pregnancy, once the unintended pregnancy, the impact on the female body is very large.