It is known from the words of Chazal (see Pesachim 117a) that the Shechinah does not rest other than via the simchah of a mitzvah. Accordingly, every single person has the obligation to increase in the service of Hashem with joy, and even more so, to distance himself from depression, Rachamana litzlan, as happens with all illnesses, may H'shem have mercy upon us. Rather, we should fulfill the words of the pasuk (Tehillim 100:2-3), “Ivdu es H'shem b’simchah” (“Serve Hashem with joy”), for then we will merit “De’u ki Hashem Hu Elokim, Hu asanu v’lo anachnu” (“Know that H'shem is G-d; He made us, and to Him we belong”). We will also merit the sweetening of the judgments and be saved from all trouble, distress, affliction and illness, with Hashem’s help. And as is explained at length in the name of the holy Baal Shem Tov , zy”a, as soon as a person who is going through a time of trouble recognizes that “achein Atah Keil mistateir” (“indeed, You are the GD Who conceals Himself”)...