Prompt: Upper body of a man made from solid glass, wearing real material clothes. The glass must have visible scratches and surface imperfections and lots of air bubbles inside, it must also have a tendancy to produce green hue catching the light, the light must pass through the glass and bend and distort inside the glass body causing realistic reflections and defraction of glass, considering caustics and light and shadows of the overall scene, the glass man must be dressed in suit and tie and be stood in an appropriate manner and setting to provoke a clear positive vibe,  must have expressive emotions 
Negative prompt: Lower body, full body, head out of frame