Few pages of my book

iam a big fan of krishna dnt mistake me after reading this question. i just wanted to clarify my question. Please someone solve my puzzle. recently i have read gita with its translation by a.c.bhaktivendantaswamy. In that it is said that, for happiness you have to control ur panchendriyas. For that you should fill ur mind with the chantings of krishna. i somehow feel that, its just like engaging our mind in solving a puzzle which doesnt have a solution. Its very simple. if you ask someone to prove that the product of the slopes of x axis and y axis is (-1). which is actually not. x axis slope is 0 and y axis slope is infinity. Obviously there is no solution for this puzzle. But if you can indulge in his mind that there is definitely a solution then he ll work day and nite to solve that problem. Thus definitely he will not have either fun or sadness. Which gita also says the same thing. never react to happiness or sadness. so indirectly we are killing someones time and life to d