On the contrary
>>4, existing can be time wasted. Existence is merely the state of being, and living is different.
Existence: n) the fact or state of living or having objective reality.
Now, living has a few definitions. Living, however, in the sense we're trying to get at, is living life to its fullest potential and not wasting a second of the time you have. You aren't promised your next breath, and a simple existence is not going to make your life matter. You must live and live to the fullest.