Questions are a tool for building rapport.
Rapport is created by a feeling of commonality. Spark.
Words are a part of it — but most communication is nonverbal.
Matching and Mirroring. People like people who are like themselves or how they would like to be. (And the opposite.)
Style is more important than substance initially:
Tone of voice.
Tempo of voice.
Volume of voice.
Proximity. (Personal space.)
Pacing and leading. Entrainment. Clocks. Menstruation.
Use your empathy to judge.
Look to create NLP anchors and triggers. (Advanced)