Because you may be thinking to hard on something else instead of enjoying your time.
U can
Ejaculation occurs with a sexual climax during sex or masturbation or during so called "wet dreams"
Yes, in my personal experience it does prolong your ability to reach climax, but sometimes you may never climax at all.
sex
Yes. but most cant
Stimulation of the clitoris or other areas. This can be done by hand or with a vibrator or similar.
sex
Stop what? Texting? Then you will be more likely to climax while your partner remains unaware.
An orgasm, or when our at the climax of your sex.
you ready to sex
The IUD should not make it difficult to climax. If you are worried about the safety of the IUD during sex, that could interfere with your nervous system's ability to achieve orgasm. Rest assured that sex will not make the IUD pop out, and orgasm will not cause the IUD to make problems for you.
The women achieved her climax after one millisecond of sex with Chuck Norris.