Do not overpunctuate. But do not underpunctuate. Make your sentence constructions so clear that it will be possible for you to keep punctuation at a minimum.

I rattled off more silly nonsense, all the while clutching her firmly, pushing my fingers into her gluey crack.

Last time I looked, The QOR Club was a shuttered ghost town, and Jeff Goldstein is still doing monthly blegs to pay for the capital letters required to proclaim OUTLAW! at the end of his sporadic posts.

And I am much mistaken if she has not some floating fancy of her own.