Wait for it to emit a green light and then feed it a Plant Species Z. You've now successfully tamed a Cosmo! It's that simple. In case you don't have Plant Species Z, you can just feed it Chitin.
Is there any cocktail more reviled, more looked down on by serious drinkers than the Cosmopolitan? But this drink is great, actually, and I'll tell you why. The post The Cosmopolitan is a great ...