HIV is a chronic medical condition and like other chronic diseases there is treatment for it, and it can be controlled. All you need to do to control your HIV, is to take your treatment and you can live a long and healthy life. If you take the correct dose of ARVs every day at the correct time, you can achieve viral load suppression.
When you are virally suppressed, the amount of HIV in your body is Undetectable. When the virus is Undetectable, HIV will be Untransmittable.Undetectable = Untransmittable (U=U)