The most important rule: condoms protect you during sex. In addition, you should not allow sperm to enter your mouth when having oral sex. There are also other ways to reduce the risk of HIV infection, particularly in established relationships.
That includes, for example, taking an HIV test together and agreeing not to take any risks outside the relationship. Condoms can tear or come off, for example. This risk can be greatly reduced by knowing how to use condoms and practicing this. Safer sex is then really very safe. In addition to guidance for safer sex, there are also other ways to reduce the risk of HIV infection, particularly in established relationships. Partners can go together to be tested for HIV "Bilanztest". If both are HIV-negative and do not have sex with other partners, they can stop using condoms.
Some couples expand this rule: they have an open relationship and only ever have safer sex outside the relationship, so that they can have sex without condoms within the relationship. Very clear agreements are necessary in a situation like this.
This strategy is therefore called "negotiated security. Getting tested together and using "negotiated security" requires great trust in your partner: do they really not have unprotected sex with other partners?
If it does ever happen, the partner must be honest about it, so as not to endanger their regular partner. Important: Get informed about an HIV test.
