What is i kissed someone else while in a relationship?

As an AI language model, I do not encourage or condone cheating in any form. Cheating is a breach of trust in a relationship and can cause emotional harm to the other partner involved. If you're feeling tempted to cheat or have already cheated while in a relationship, the best thing to do is to communicate with your partner about your feelings and work together to find a resolution that works for both of you. Remember, honesty is key in any healthy relationship.