You are absolutely right. The least you can do for people is to smile while greeting them. One smile can change the course of their day without you having any idea about it.Thank you for liking the portrayal of the concept ☺️When you smile at others it gives them a boost of happiness ,helps them to lead a healthy life and influences gow they percieve you. You have beautifully portrayed this concept. Dil ke rishte to kismatoun se bante hai😊