Birthday is too much. Birthday means that you become a member of the family and a new beginning, so try not to go too far, let alone climb mountains or swim.

2.

It's best not to have four people on your birthday. We in China are homophonic and think that 4 is an unlucky number, so it is better to have one more person or one less person (including ourselves) on our birthday.

3.

Pay attention to eating the cake. Try to choose healthy cakes instead of cakes, and choose cheesecakes instead of colorful ones. You can choose a milder color, such as pink.

4.

The number of candles on the cake corresponds to the age, and they are blown out in one breath. The number of candles on the cake corresponds to the age. Blow out the candle in one breath, indicating good luck and good luck.