Forgiveness is not the relaxing of a boundary; if anything, forgiveness builds and strengthens healthy boundaries. Forgiveness is letting go, which is something you need to do for yourself.
Forgiving does not mean forgetting or condoning! Forgiveness is for the person who was perpetrated, not the perpetrator. It is saying, "I have already been offended against, I am going to let go of this so I don't continue to be burdened by it."