#5 is right. Always go to HER place. When you're done, towel off Big Jim & the Boys & head home to a cigar.
But beware. Upsetting the homeostasis in this manner will trigger many coercive behavioral strategies on her part. This can work in your favor, but only if you are aware of the dynamic and you're willing to capitalize on it.
You better be wrappin it, bud.