This is one moral question you ask yourself everyday when you've done something wrong to the person you're in a relationship with.

No matter how hard it is,if you really love that person and you say you'll do whatever it is to keep the relationship going.You say you don't want to hurt the person.But telling them would hurt them.The right thing to do is you need to forgive yourself first and get rid of the guilt and then only youll do right by the person you're with.Lie to them,make them feel safe but don't do the mistake ever again.Forgive yourself first and if you can't,then you gotta let go.