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People who enjoy rapport with each other tend to behave like each other in various ways:
- Physiology
o Matching body posture and gestures
- Voice
o Matching voice characteristics like tone, speed, pitch, intonation, accent
- Language
o Matching choice of words used in speech like colloquialism, dialects
- Thinking style
o Similar preference for hearing, seeing, or feeling styles
- Beliefs and values
o Sharing similar concepts of what is considered true and what is important
- Experience
o Shared experiences like home town, school, emotive events like natural disasters, wars
- Breathing
o Similar in depth and speed of breath.
A loving couple enjoying rapport will unconsciously display matching behaviours in most or all these areas.