You know what Judaism recommends? More festivals!
No, really. The High Holy Days aren't over. In fact, we are now just over midway as we enter Chol Moed Sukkot - the eight days of Sukkot. Next week is Simchat Torah.
These are "zmanim simchateinu" - seasons of our joy. One mitzvah is that we should endeavour to be nothing but happy.
In fact, I think this liturgical cycle serves a useful life lesson. When you're in a slump, the best thing to do is get back up. When you're feeling down, try to find some gladness.
May we all have moadim lesimcha - times of great happiness.
Student Rabbi Lev