That assumes that everyone you are engaging with knows their status. If someone knows they are HIV+ and are undetectable than you are more informed about the r

That assumes that everyone you are engaging with knows their status. If someone knows they are HIV+ and are undetectable than you are more informed about the risk than you are in many other situations. Also, if your partner is positive are you really not going to want to be with someone just for that reason? Really need to get past the stigma around this and focus on education instead. Edit: You changed your comment to no longer mention just not engaging with people who are HIV+...