Why shouldn't you talk about your ex?
How often do you mention your ex-girlfriends during communication? Whether you talk about them with guys or girls doesn't matter, either way you're making a huge mistake. A guy who always talks about his ex in front of his friends looks like a wimp because he shows that he still loves another girl and is unable to find a new partner.
Talking about an ex-girlfriend in front of a friend or A new girl you know is also not allowed. It’s possible that a girl liked you, but here you are talking for an hour about your ex. You say that she was very good in bed and even show a sex video? For what purpose? Want to make an impression? The girl will not be interested in listening to all this, maybe she came on a date with you because she wants to build a relationship?
Guys become unpleasant if a girl starts remembering her ex-boyfriends in their presence. It’s better not to bring up this topic and talk about something else. By doing this, you will let the girl know that you are not sad about your ex-girlfriend and are quite ready for a new relationship. If the girl herself asks you whether you have had a relationship before, answer briefly and change the subject; perhaps she is just testing you and wants to see your reaction to this question.
If you react too emotionally to the question girls and start talking about your ex in all its glory - she will understand that you still have feelings for her and may be offended. Of course, you can start saying bad things towards your ex-girlfriend and mention that she is a “log” and so on, but what impression will you create? Suddenly the girl will think that you always insult everyone after separation, and you will say the same thing about her in the future.
In some cases, you can get valuable information if you listen to the girl when she talks about her ex-boyfriends. You'll learn what she loved and hated in a guy, so you can adjust to that ideal if the girl is worth it. It will be better if the girl loves you for who you are, and does not see you only as her ex-boyfriend