"rewarding" . . "bliss" . . "pleasure" . "indulgence" . . . "Pleasure" . . "ease" . . . . . "Theories of pleasure" . . "enjoyment" . . . . "Pleasant" . "attractiveness" . "pleasant" . "Pleasure" . "pleasurable (hedonic) experience" . "pleasurable" . . "Delight" . "excitement" . . "pleasurable stimuli" . "Sensory pleasure" . "happiness" . "joy" .