Of my 4 snakes, 3 cone to the front of their tubs when I come in the room, they happily climb onto my arms and seem to prefer certain people over others. Sometimes the BCI Boa almost refuses to go back in but wants to stay out and explore. When she's out the often will come back to me and rub against my leg or arm then back off exploring. I don't think it emotion but more a understanding that I or my husband are safe places. I also agree if they are eating, shedding, regulating their temps and have some stimulation like exploring their tank or familiar places they are content.
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