It may even go through several cycles of erection and flaccid but no of that is reason to withdraw. The more you practice, the easier it will become to stop yourself and the more enjoying the non-ejaculatory orgasms will become.
Related Questions What does sex feel like for women?
How many times people ejaculate during one intercourse session? - Quora
Ramming makes sexy swarthy cum many times.
Deep dp makes immodest euro doxy cum many times.
The guy I'm sleeping with can get hard/cum multiple times and on demand. Is this normal? : sex
Cum Again: Why Can’t Men Have Multiple Orgasms? – MEL Magazine