When you're a houseguest and you leave it's nice to straighten something up or send your hosts a useful gift. And when you leave the planet it's nice to have made a positive contribution.
I don't personally try to balance my work because I operate under the assumption that anyone reading or watching my stuff isn't having a particularly balanced day anyway. But negative attitudes just amuse me more than positive ones.
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I just try to stay positive and focused on the tennis not let anything get to me like crazy questions. But I'm tough let me tell you tough as nails.