Don't take my make-up off before bed Don't call my friends when they get upset Late to your party 'cause I forget That you ever even asked me Say I'm not home leave you at the door I won't text back even if I'm bored Don't know how all of this was ignored Guess you must've really liked me I hate to say it but I told you so Guess you didn't see the red flag I was waving above my head Didn't see all of the signs and all the wreckage I left I didn't mean to be cruel but it ain't my fault that you You didn't see the red flag Never liked going out with your friends Never been good at playing pretend I got no filter say what I think But you never had to like it You said your mum warned you about me I swear to god she's so annoying But we both know she wasn't lying Hope she doesn't hear this bit I hate to say it but I told you so Guess you didn't see the red flag I was waving above my head Didn't see all of the signs and all the wreckage I left I didn't mean to be cruel but it ain't my fault that you You didn't see the red flag ♪ No, you didn't see (the red flag) Oh-oh-oh! Guess you didn't see the red flag I was waving above my head Didn't see all of the signs and all the wreckage I left I didn't mean to be cruel but it ain't my fault that you You didn't see No, you didn't see my bad side 'cause I hid it from you so well I can't believe you let me drag you all the way down to hell I didn't mean to be cruel but it ain't my fault that you You didn't see the red flag, yeah You didn't see the red flag No, you didn't see