pattern / behavior usually stay against other surround
border is enduring_thing_localized. humans_touching_each_other is situation_involving_physical_contact. surrounded is album. aggression is unfriendliness. interface is overlap. leadership is situational. what_goes_around_comes_around is single. harm_avoidance is pattern_typically. putting_arm_around is non_verbal_communication. barrier_situation_physical_force is situation_involving_physical_contact.