Here’s a quote about joy and its many facets, from one of my favorite metaphysical authors.
“Let us take a particular feeling and follow it through as it might be expressed at various levels of consciousness. Begin with a feeling of joy. In normal consciousness, the immediate environment will be perceived in a far different manner than it would be, say, if an individual were in a state of depression. The feeling of joy changes the objects themselves, in that the perceiver sees them in a far brighter light. He creates the objects far more vividly and with greater clarity. In feedback fashion, the environment then seems to reinforce his joy.”
“What he sees, however, is still physical, the objects of the material world. Pretend now that he begins to daydream and falls into a reverie. Into his inner mind comes pictures or symbols of material objects, people or events, from perhaps the past as well as present and future imaginings, the joy now being expressed with greater freedom mentally, but with symbols.”
“The joy stretches out, so to speak, into the future, sheds also its light into the past, and may cover greater areas of expansion than could be shown in physical terms at that moment. Now imagine that our individual from his reverie falls either into a trance state or into a deep sleep. He may see images that are highly symbolic to him of joy or exuberance. Logically there may be little connection between them, but intuitively the connections are clear. He now enters into his mental experiences far more deeply than in the reverie state, and may have a series of dream episodes in which he is able to express his joy and share it with others.”
– Seth, from Seth Speaks – The Eternal Validity Of The Soul