Dialectical tensions are confined to external conflicts in which the desires of two relational partners clash with one another.

Answer & Explanation:

A dialectical tension is opposition / contradiction in behaviour of a couple.

Oppositions are antonym of each others, act as cancelation or undo to each other. They are mutually exclusive & mutually exhaustive. They can be related to their internal, external conflicting issues.

Examples:

Openness v/s non openness Connection v/s autonomy Dominance v/s submissiveness Predictability v/s Novelty Integration v/s Seperation Expression v/s Privacy Stability v/s Change