
Call me a nerd or whatever but I feel like what the author meant was that the mc didn't have his muscle memory like he might know how to swim in his original body but not in the one he's currently in like take driving for example, a person may know how to drive but they'd still need some time to get adjusted to a car they're not used to driving.

Call me a nerd or whatever but I feel like what the author meant was that the mc didn't have his muscle memory like he might know how to swim in his original body but not in the one he's currently in like take driving for example, a person may know how to drive but they'd still need some time to get adjusted to a car they're not used to driving. Like he went in knowing he can swim but didn't realise he was in someone else's body.
Bro thats not hiw swimming works if you take somebodys body you dont suddenly forget how to tread water he could float