Escalation is required before some relationships can truly function. [causal]
We might also analyze the range of things that can disrupt trust relationships, as the endgame effect in the disreputable dealings of the lieutenant colonel and Trifonov disrupted their relationship. Some relationships seemingly have to escalate to some relatively high level or else founder, and that gives opportunity for breakdowns that mimic endgame effects.
Russell Hardin, Trust and Trustworthiness, loc. 696