What to bet with girls?

Losers must do something for winners. The loser should buy a small gift for the winner.

1, the loser has to do one thing for the winner: this bet will make both sides feel relaxed and happy. Specific things can be singing, dancing, telling jokes and so on for the winners.

2. The loser should buy a small gift for the winner: this bet can increase mutual affection and make the loser feel warmer.