1. Recite a joke before every meal, and it will accumulate over time;
2. Watch a TV/Internet comedy, cross talk, etc. before the meal, laugh for a while to relax yourself ;
3. Take a dip in the bathtub before the meal to relax yourself;
4. In any case, do not drink before the meal. In that way, you will only be relaxed in your own eyes, but in the eyes of others, your behavior will be inappropriate and offensive;
5. Remember, you will make mistakes if you talk too much. Talking less can avoid a lot of embarrassment;