A pause is clearer when it includes a return
Stepping away from a heated conversation can create space, but an unexplained exit can leave the other person uncertain. When it is appropriate to continue later, naming a return time distinguishes a pause from abandonment. The unfinished issue still needs a place to be discussed.
Go deeper
Give the break a shape
A conversation becomes too tense to continue usefully. One person says they need twenty minutes and suggests returning to the topic at half past seven.
A defined pause includes an intention to reconnect. It makes clear that the discussion is being delayed rather than silently dismissed.
The return time should be realistic. If more time is needed, an update is more informative than simply failing to come back. Both people can also agree on a different setting or a narrower question for the next conversation.
A pause is not a complete solution to the disagreement. Its purpose is to change the conditions under which the issue is discussed. Returning gives the unresolved concern somewhere to go.