Different people use different language and different language has different accent and different accent makes different tong ,and the tong is the life we are meet , I was talk to india person before, when the beagin ,I don’t understand what are they talking about , but after we talk frequency,  I begin to understand and the tong will be no a problem , by the ways, we are no friend , but the things is I have to talk to him to do some condition stuff.