When was your first experience? One survey showed that having sex too early or too late may affect future marriages. Best time to have sex for the first time The study followed 1,500 U.S. teens about their relationship experiences and future marital status from about 15 to 30 years old. It was found that people who had sex before the age of 18 and those who had their first time after the age of 30 may have more marital problems in the future, such as being easy to cheat and not dealing with the relationship between husband and wife. People who have their first time around the age of 23 are better able to deal with problems that occur in their marriage, and communication with their partners is smooth. Researchers believe that premature sexual experiences, physical and mental immaturity, may cause false emotional perceptions and affect marriage. Late sexual experience means less contact with the opposite sex and is prone to communication problems. Couples can't have sex too early I h...