Well I’m not sure I understand the question but it takes 4 days to get in shape and 2 days to get out of shape so if you want to increase your stamina I would run for about 30 minutes a day and keep increasing from there to go as long as possible without stopping
It would be c because 1. she wasn't having a conversation with anyone when she started to behave differently. Also it couldn't be possible to have a switch and just change bodies in a matter of days or even minuetes
