threadhopping: y.
backtagging: y.
hugging: y, how he'll react varies. Probably not violently.
kissing: see hugging, except he's more likely to react violently to kissing.
romancing: go for it, Hyoga is a huge romantic at heart
punching/physical violence/etc.: yeah but be prepared for a fight in return. Also any permanent damage needs to be ( Read more... )