Yes, using sex chats can be beneficial for your relationship. Because you get new experiences and positive emotions. Also, you can chat here with your partner who is far away from you. This creates the impression of emotional closeness. Moreover, this way you can learn more about your partner's preferences and sexual desires, and talk about your dreams. And then, when you meet, you can make these fun fantasies come true.
Also, it is worth mentioning the use of sex chats by random strangers who are already in a relationship. Sometimes, a partner needs emotional release, and so he can relax, get rid of tension. But at the same time, do not change your soulmate. Yes, using sex chats can have a positive effect on relationships if you use this tool correctly.