Your partner will play a better game if he does not fear your adverse criticism.
Do not tell your partner, after seeing all the cards, what he should have done; but think what you would have done in your partner's place.
The chronic complainant is a pessimistic partner and a peevish adversary.
One grain of encouragement is worth a pound of scolding in Bridge.
If you take advantage of your partner's breach of etiquette, you lay yourself open to adverse criticism.