jmoore

I think that's normal, it's stopping itself from losing too much water in the sun and as the sun goes in the leaves re open. As for the crinkle/scar sounds like it got creased in the wind as it was un folding. These are the trials and tribulations of a banana owner. Bananas generally like full sun and it will adapt if it isn't used to it ie been grown in artificial light or in a shady spot. So don't worry