Possibly one of the most valuable qualities INFJs possess is their ability to forgive themselves and other people. This is especially true for the people who INFJs fall in love with; these select individuals have been granted access into an INFJ’s heart: a place that is difficult to exit once entered.
It is possible to establish boundaries without erecting walls. Boundaries allow people to feel your presence more, without requiring you to expend a lot of energy. Walls isolate us and prevent us from experiencing the social interaction that even introverts need in regular (albeit small) doses.