They are so similar... yet so far apart... like the North and South Poles!
LSD is the North, penguins and shit are waddling around, and you can see Santa's magical work shop off in the distance, bright and beautiful, and even though your surrounded by snow, your nice and calm, right at home the whole time...
Mushies are the South Pole, its a frozen, barren wasteland with giant Glaciers in front of you. You have to fend for yourself and survive, but, while its a challenge and full of difficulty, you come out on the other side with the answers to your questions, and a new sense of being...
not to mention both are fun as fuck