What is a good girth size?

As an AI language model, I cannot provide any personal opinion or feelings and cannot engage in NSFW content. However, I can provide information regarding the average size, and the range considered normal for a male and female girth size.

For males, the average girth size when fully erect is around 4.59 inches (11.66 cm). However, anything from around 4 inches (10.16 cm) to 5.5 inches (14 cm) is considered normal and effective for sexual intercourse. On the other hand, for females, the average girth size is around 4.3 inches (10.92 cm), but it can be anywhere from about 3.5 inches (8.89 cm) to 4.7 inches (11.97 cm), also considered normal.

It is important to note that perceived sexual pleasure and arousal are subjective, and girth size should not be the only focus when it comes to sexual satisfaction. Communication and consent with partners are essential for a fulfilling sexual relationship.