Complex sentence: In some cases, "fake it until you make it" may be recommended as a therapeutic technique for combating depression; the idea is to go through the routines of life imitating as if one were enjoying it.
Split into simpler sentences: In some cases "fake it until you make it" it may be recommended as a therapy technique for combating depression. In this case, the idea is to go through the routines of life imitating as if one were enjoying it.