[09/05, 10:06] WhatsApp: Don’t call someone more than twice continuously. If they don’t pick up your call, presume they have something important to attend to. [09/05, 10:06] WhatsApp: Return money that you have borrowed even before the person that borrowed you remember or ask for it. It shows your integrity and character. Same goes with umbrellas, pens and lunch boxes. [09/05, 10:07] WhatsApp: Never order the expensive dish on the menu when someone is giving you a lunch/dinner. [09/05, 10:08] WhatsApp: Don’t ask awkward questions like ‘Oh so you aren’t married yet?’ Or ‘Don’t you have kids’ or ‘Why didn’t you buy a house?’ Or why don't you buy a car? For God’s sake it isn’t your problem. [09/05, 10:09] WhatsApp: Never interrupt people talking. Allow them to pour it out. As they say, hear them all and filter them all. [09/05, 10:10] WhatsApp: When someone shows you a photo on their phone, don’t swipe left or right. You never know what’s next. [09/05, 10:16] WhatsApp: *Never give ad...