I never promised you a rose garden
a classic line you throw when someone is giving you a hard time for something that went wrong and you're like 'you knew what you were signing up for.'
'I never promised you a rose garden' after my friend borrowed my car and crashed it into a tree.
'I never promised you a rose garden' when my sister blamed me for her failed math test.
'I never promised you a rose garden' after my roommate brought home a bunch of stinky pizza.