▁effects ▁with ▁close ▁relatives ▁and ▁friends . ▁▁ ▁Co an ' s ▁research ▁on ▁the ▁psych ological ▁and ▁physical ▁health ▁benefits ▁of ▁strong ▁friend ▁and ▁family ▁networks ▁developed ▁into ▁Social ▁Bas eline ▁Theory , ▁which ▁the ▁Boston ▁Glo be ▁described ▁as ▁arg uing ▁" that ▁the ▁human ▁brain ▁depends ▁upon ▁a ▁s oph istic ated ▁network ▁of ▁relationships ▁to ▁coordinate ▁cogn itive ▁energ ies ▁and ▁accomplish ▁shared ▁goals , ▁which ▁[ Co an ] ▁suggests ▁is ▁unique ▁to ▁humans . ▁Un like ▁most ▁prim ates , ▁human ▁be ings ▁are ▁prepared ▁to ▁have ▁multiple ▁kinds ▁of ▁care g ivers , ▁and ▁we ▁tend ▁to ▁co oper ate ▁ref lex ively ▁with ▁one ▁another ▁from ▁an ▁early ▁age . ▁' We ▁have ▁huge ▁bra ins ▁that ▁are ▁incred ibly ▁met abol ically ▁expensive ,' ▁Co an ▁says . ▁' We ’ re ▁not ▁particularly ▁good ▁at ▁phys ically ▁def ending ▁ourselves ▁compared ▁to ▁other ▁m amm als . ▁Friend ship ▁is ▁a ▁fundamental ▁feature ▁of ▁how ▁we ▁have ▁been ▁sh aped ▁by ▁natural ▁selection ▁to ▁contin ually ▁adapt ▁and ▁surv ive .' ” ▁▁ ▁In ▁April ▁ 2 0 1 9 , ▁the ▁New ▁York ▁Times ▁consult ed ▁Co an ▁on ▁the ▁psych ology ▁of ▁physical ▁boundaries ▁in ▁response ▁to ▁the ▁Me ▁To o ▁movement ▁as ▁it ▁applied ▁to ▁the ▁campaign ▁of ▁Democratic ▁president ial ▁candidate ▁Joe ▁B iden . ▁▁ ▁Since ▁ 2 0 1 7 , ▁Co an ▁has ▁hosted ▁and ▁produced ▁the ▁pod cast ▁Circle ▁of ▁Will is , ▁where ▁he