Caring for chimpanzees with traumatic pasts is probably a lot like caring for anyone with a traumatic past. You’re aware of the person’s history and how it has affected them, but you probably don’t dwell on it on a day-to-day basis. There are even moments when you don’t think of the past at all; you’re just focused on the here and now.
Interestingly, the times I find myself reminded of the chimpanzees’ histories are the moments when they seem to be feeling particularly happy or relaxed or free. I think about how moments like that were few and far between until they made it to sanctuary. I hope that in those moments, the chimpanzees are thinking about anything but the past.