funny stuffs

A guy walked into a chemist, reached into his pocket, took out a small bottle and a teaspoon, poured some liquid into the teaspoon, offered it to the chemist man and said; could you please taste this?. The chemist man took the teaspoon, put it in his mouth and swallowed it. The guy asked; Does it taste sweet?. The chemist man replied; No!. The guy said; "Good". The Doctor told me to come here and get my urine tasted for sugar.