My dentist gave me the go ahead to change tray every 4-5 days. Is this ok? (photo)

33 y/o. Mid course correction with new dentist after first dentist approved clinchek that she knew wouldn't work. Had tracking issues on tray 5, she wasn't worried. Switched dentists. Now on tray 6 of my midcourse correction. Teeth are moving faster than ever and trays are uncomfortable and almost "squishy" feeling by day 3 since the movement for that tray is completed. New dentist told me to change every 4-5 days as tolerated. Is this ok? I'm not using Acceledent nor have I had Propel tx.