They can still have play dates and engage in normal interactions, but I would suggest that the play just takes place out in the open - no closed doors allowed. (wasatchfamilytherapy.com)
Normal interaction with a child, like bouncing the baby on a knee or tossing the baby up in the air, will not cause these injuries. (kidshealth.org)
Licking and grooming behaviors are called allogrooming and they are observed as normal interaction between cats living in groups. (iheartcats.com)