The problem being discussed is that our typical human experience is ultimately unsatisfying. While there are many happy and connected times in our life, we have a propensity to cling to them. When those pleasurable feelings fade, this clinging eventually turns into a source of sorrow. There are several levels to our ingrained behaviour of clutching and attachment. The basis of all the sorrow of cyclic existence is attachment to a feeling of self as being separate and independently existent. The Four Noble Truths serve as our entryway into understanding and interacting with this.best images for health