This photo is a grear illustration of bondage because, as you can see, the string around the woman is fairly thin and could be easily broken, therefore, her bondage is an illusion. This concept is best illustrated in the novel when an illusionist "traps" her audience by seemingly making the exits disappear, causing a panic. However, in truth, the viewers were never truly trapped, thus making their bondage only as resticting as they allowed it to be.
Most of us experience stress of some degree in our day to day lives and a big part of managing stress is exercise and nutrition. Digesting processed and sugary foods on a regular basis just loads extra stress onto our bodies so try to think about nourishing your body and giving it the tools to manage stress.