How can INFJs balance being reserved with the need to build deeper connections, even with people they’ve known for a long time?

Have you ever encouraged others to leave a small tip due to shared bad service? What was the outcome?
Why do people say that planning too much for the future might be pointless or even humorous in hindsight?
How should you address confrontations between parents in your child's sports team?
Do you guys get burnout from job interviews? I am a software engineer transitioned to an AI engineer, but the interview processes are making me feel so bad.