You must spend time training him. Use a cup with a thin rim. Dont get upset and dont force things. Relax. Try a teaspoon at first so that he can get used to sipping from this and then move on to the cup.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.