When people talk, the only thing that may help you to catch the words is their lips’ movement. But, it doesn't work all the time. You may get the message wrong and the two ways communication will be totally ruined.
Don't get me started on the driving scenario. Suffering from hearing loss, you may put your life at risk because you cannot hear horns beeping. Not only that, you have to maximize the volume of the TV in order to enjoy the show. But of course, it irritates others a lot.