Mostly I switched from high intensity cardio workouts (1hr+ cycling or running fast/hard) to much longer low impact workouts (walking for 3 hours+ some evenings

Mostly I switched from high intensity cardio workouts (1hr+ cycling or running fast/hard) to much longer low impact workouts (walking for 3 hours+ some evenings). The most likely reason that had a big impact was that I am not sitting on the couch and thus not snacking late at night...