本章已阅读完毕(请击一章继续阅读!)

4. The length of GG is about 10.16 cm: 10% of the boys in the world are this length. It is suitable for the back position.

3. GG length is about 7.62 cm: 4% of boys in the world are this length. It is suitable for girls to be in the upper or back position.

6. The length of GG is about 15.24 cm: this is the favorite length of girls. It is most suitable for two people to stand and have sex.

e same distance from the G point of a girl

7. GG length is about 17.78 cm: This length can easily make girls feel uncomfortable. It is recommended not to be too deep.

5.GG length is about 12.7 cm: about 90% of boys in the world are this length. Any body position can achieve a perfect orgasm.

8. GG length is about 20.32 cm: only 4% of boys over 20 in the world. The most suitable missionary position.