Some thoughts, more or less random:
Verbal unbalancing: non-sequitors can do some very strange things to a developing dynamic. Remember Pinky and the Brain? "Pinky, are you pondering what I'm pondering?"
Understand the difference between the RELATIONSHIP and the DYNAMIC. Friends; mentor-student; predator-prey; spouses; parent-child; dominant-submissive; defender-aggressor are all relationships.
Territory or status challenge; helping; set-ups; the interview; woofing; the monkey dance; bossing; teaching; independence seeking are all dynamics.
Changing the relationship is harder but has greater impact. Dynamics can be diverted.
Body language, especially comfort zones and use of space, is very powerful. If you can be relaxed at very close range it is incredibly intimidating.
RTPV- talked about elsewhere.