I can not get pleausere from activity or nature which was previously enjoyed by me, i can not feel pleasurable sensetion even after seen a great natural scene since 5-6 years. i m getting very hungry also daily and i eat many times in a day also. no one c

Depression: Your question got cut off, but it sounds like you may be dealing with depression that has anhedonia -- loss of pleasure in usual activities -- as a strong feature. If you're on medications for this, they may also be stimulating your appetite. Please work with your psychiatrist on this, as i'm sure s/he will want to help resolve your symptoms as much as possible. May need dose adjustments/changes.