Psychology Today gives us Do’s and Don’ts for “What to Do When You Feel Let Down by Someone.”
Toni Bernhard’s list of Helpful Responses includes (excerpt):
1. Recognizing that all relationships change
2. Feeling happy for others
3. Questioning the validity of the stories we spin
4. Investigating how the underlying source of unhappiness is an unfulfilled desire
5. Wrapping disappointment in a cloak of self-compassion