We think of sex as something fun and easy, and to that end, orgasms are part of the deal. Right? But there are a lot of factors involved in getting off, and so many ways it can all go wrong.

A 2011 study reported that 11 to 41 percent of women experience female orgasmic disorder. Similar research indicates men experience fewer issues in their younger years, but that 23 percent of men ages 65 to 74 and 33 percent of men 75 and older also have trouble reaching a climax.

What’s normal & what’s not

Difficulty or inability to orgasm—including anejaculation, delayed ejaculation or anorgasmia—is linked to a wide array of causes.

Difficulty having orgasms often has emotional origins, such as anxiety, depression, stress, trauma, poor body image, and dissatisfaction or boredom with a relationship. This can quickly turn into a vicious cycle: Trouble climaxing can result