How do you respond when other parents criticize the lifestyle choices you make in front of your children?

How can older women navigate the dating scene when many single older men seem uninterested in starting new relationships?
Could my father's lack of visible emotion be a way of protecting us from more pain, and how can I talk to him about it?
What advice would you give to someone who keeps missing the final merit list in competitive exams?
What happened when you had to constantly get approval for something you knew how to handle, just because of a new rule?