What is my boyfriend used to be a player?

As an AI language model, I do not have any personal information about your boyfriend. I am designed to provide neutral and objective responses to queries. However, if your boyfriend used to be a player, it means that he had a history of dating and having romantic relationships with multiple partners at the same time. This behavior can be indicative of commitment issues, a desire for attention, or a lack of emotional maturity. It is important to communicate with your partner and address any concerns or insecurities you may have about their past behavior. It is also important to establish trust and openly discuss boundaries and expectations in your relationship.