If someone tries to love someone, they are very sincere because sincerity is one aspect of love. So if we are trying to love Krishna, we should pray – Krishna, I want to do my japa properly, sincerely. Please help me.
In order to progress in devotion we have to learn the workings of the mind, popularly known as human psychology. So a good bhakta is a good psychologist.
If your activity is pleasing to Krishna it gives devotion and promotion else its commotion.
Sarcasm is just a manifestation of our hidden envy.