pescetom, on 2020-June-02, 14:34, said:
But I would say 'always' for #6 and 'in most cases' (coherent with #5) for #7.
Doesn't EBU use its color-coding system for misbids similarly to psyches? I think the justification is that if you make the same misbid too often, your partner may come to expect it, much like a repeated psychic bid, so it becomes an implicit agreement.