Is it considered a taboo to have intimate moments with your ex rather than having a one night stand ?

I am a liberated woman that has conservative beliefs in some ways, with a huge appetite when it comes to carnal desires. And when it comes to sharing bodily sweat, and bodily fluids I would rather spend it with someone I know than a stranger. Don't get me wrong, I actually applaud those people that can do it and can easily move on. I am not the type, I tried it once and I felt so dirty after and worst, I didn't even reach the peak. And that's my dilemma, I cannot have an orgasm with a stranger, no matter how good they are. It has been almost a year since I have had any physical contact with another soul which was (with my ex), and I have this thirst that needs to be quenched and I am wondering, although my dignity will go out of the roof, should I just call my ex to do it with ?