The homework requirements are as follows: 1. First, use a triangular short brush to insert into the dog hole. For each insertion into the dog hole, you can rub the dog dick once, then after 10 insertions, switch to another long brush, and after the 20th insertion, switch back to the first triangular short brush 2. Tie up the dog dick 3. Each time you change the brush, first use a soft bristle brush to brush the glans, with the number increasing from 10-20-30 sequentially 4. And apply toothpaste fully on the brush 5. Passing is brushing 50 times; at least brush the dog dick and insert the dog hole 70 times before allowing the dog semen to ejaculate