First and foremost, any food that a person takes should be especially balanced. A balanced diet should include all the necessary nutrients such as proteins, carbohydrates, vitamins, minerals and fats in right quantities.
He should never under-eat or over-eat and eat only the right quantity of food. So it makes sense if he can eat only when he feels honestly hungry.
It is extremely important that he takes all his meals at a fixed time everyday. He should not skip any of the meals during the day, especially the breakfast. As skipping meals or taking the meals irregularly at different times every day can upset the eating habits and consequentially the digestion and metabolism of the body.
He should generally have the foods he likes. However he should not devour on one particular food type as it is important to practice moderation in eating.
He should eat the food slowly and chew it properly. The food is digested well and facilitates proper metabolism.
He could have light snacks, which are low in calorie content, between the main meals so that there are enough calories in the body. Otherwise burning of too many calories can result in loss in weight.
He should eat certain seasonal fruits and vegetables during particular seasons. He will not only enjoy the seasonal foods but also find them a lot more beneficial to his health during the relevant seasons.
He should drink plenty of water regularly. A good intake of water helps immensely in the proper digestion of food. Water also flushes out the harmful waste products from the body.
A person who religiously practices the above diet tips will not only enjoy the diet but also a healthy body and a healthy lifestyle.