If We pay attention, we will see that we have been carrying out properly at first and whenever we get favourable success, we feel like practicing. After You will find a detrimental affect, then only after that the interest begins decreasing. वैसे तो इस प्रयोग के जरिये आप दूर बैठे https://www.youtube.com/watch?v=uTDAtp7YWmE