the physical body will change according to the factors i mention before. so do not imagine yourself to be energetic, comfortable and peaceful internal body all the time. it is hard to control.

the mind, behavior and your actions or easier to control and maintain a calm and unruffled state.

so from now to the day you die, you will be meeting with different situations with unqiue experience sometimes. during all the time, your physical body state is pretty much hard to control but your mind and behavior can be controlled.