Life is not always easy. In fact, it is quite hard most of the time. In order to make life a bit easier, we come up with "hacks" to get by. Life hacks can be applied to many situations. For example, you can lick your wrist and smell it to see what your breath smells like. It is much easier than cupping your hand and sniffing. You might actually get away with doing the lick and sniff without being caught too. Here are some other great life hacks.