Keppra can cause changes in personality or mood in the person using the medicine, so it can also indirectly affect relationships. This cannot be ruled out, but neither can it be considered the only reason for the "loss of interest". Such accurate data on the effects of the drug and its effect on relationships is not. Other components should be excluded. It is best to talk to your partner and go, for example, to a psychologist, psychotherapist who will help you assess where the problem lies and indicate what you should work on. You can also use the teleconsultation: https://www.gdziepolek.pl/telekonsultacja/