The code word of confession can be digital homophonic, such as 13 14520 (I love you all my life); It can be a mathematical version of the love story, for example, my yearning for you is a circular decimal, repeated and stubborn; It can also be a mathematical confession of primary school students, such as 2× 260.0657 = 520.1314; It can also be an English homophonic advertisement, such as the knee of the wall eye.

1, digital homophonic: 13 14520 (I love you all my life).

2, the mathematical version of the love story short sentence: My thoughts about you are a cyclical decimal, over and over again, stubborn. ?

3. Primary school mathematics: 2× 260.0657 = 520.1314.

4. conversion of time: 17: 00, 14: 00, 12: 00 (17: 00 means 5: 00; 14: 00 means 2: 00; 12: 00 means 0: 00).

5, mirror flower hidden moon: IλIM-IHS-IN.

6. Descartes: r=a( 1-sinθ) (love function).

7, homophonic confession: wall eyes and knees (I love you).

8. keyboard love: y 65 rfbj 87 y (in the letter area of computer keyboard, drawing graphics according to numbers is the love of graphics).

9. reflection code: n paau! I need you.

10, primary school mathematics: 2× 260.0657 = 520.1314.