In this interesting interview, Lama Tashi, who was previously an attendent to Tsoknyi Rinpoche and Mingyur Rinpoche, talks about his experience of being in a wandering, 3 year retreat. He mentions:
I have learned a lot about who I am, and that previously I was more fixated. Now I am more relaxed and feel more free. Before my retreat I was mostly with the same kind of people, with some degree — even if small — of wealth and education, but during my retreat I was with all different kinds of people, and I learned that satisfaction and happiness are possible in all different circumstances, because they come from within.