[Jumba]

The grand assumption could be the simple answer here.
Females, from a completely stereotypical view be true or not, are known to be more insecure than males are. Well no actually allow me to rephrase. Women are more OPENLY insecure than males our.

Gym is a place when a person, woman or man, wish to lose weight or keep in shape. In all my years I've noticed a woman is never happy with their figure and those who are happy are few and far between in comparison. So to walk into a place of self improvement, vunerability on the shoulder, it can be more difficult to keep eye contact.

That or yes.. You maybe ugly. Or perhaps you just ate some insanely smelly sundae? OH cartoon reference.. very good