Previous entries have discussed some of the hard truths in the article, “8 Harsh Truths That Will Change Your Life,” and now it’s time to look at another one: that friends come and go. The logic of this notion may seem a little odd in a world that has modern conveniences like email and the internet – can’t people stay in touch their whole lives? – but being able to welcome people into your life at any point in time is an important life skill, and so is knowing when to say good-bye. There’s a saying that people come into your life when you need them, and leave once you’ve learned all you can from them. Knowing this, saying goodbye – and keeping in touch with the people you truly care about – can become a much less stressful thing.