does banana and milk help in weight gain?

dear its like this if you are having a dozen of bananas with a full cream milk than it will surely increase the weight why?? the reason is this: full cream milk is high calorie diet and bananas with milk produce certain secretions that help to increase weight alone banana and alone milk would not make your weight to increase so, its not the myth, its not the superstitious belive and yet if somebody don't won't to believe than dear just try it by yourself and after gaining the weight you will surely believe