1. Not YOUR friends if they aren't respecting your gf OR your relationship. I'd reconsider the label you use for them.
2. As a female, the only dude I'll let speak to me in that way is one who I've fooled around with ALREADY or PRESENTLY (or else why would I be socomfortable) ... catch my drift?
Not all females are comfortable with the whole process (bushwhacking) ... and I've noticed the maintenance SHOULD come with maturity.
There are however other factors that play into a woman's body chemistry that may affect her "eau de ______ " like a cycle, or weather, or fabric.
Not making...