We could blame it on the timing Say it was nobody's fault Why you gotta blindsight me? Three months of leading me on Now I don't know what to call it All I know is it's past tense Twisting all my emotions Like we're doing gymnastics Now I'm drinking and crying While I'm still in your jacket I hate the way you're not my ex 'Cause now you're living in my head (yeah yeah) And maybe it was only sex 'Cause now you're leaving me a mess (yeah yeah) No, you're- Not my- Not my- Not my- Not my friend And you're- Not my- Not my- Not my boyfriend Doesn't mean I miss you less You're just not my- Not my- Not my ex Guess I can't be mad about it (oh my god) 'Cause the truth is that we weren't together But that isn't how we actеd Like when we FacеTime your sister Used to sleep on your bedside (You look great in the sunlight) Breaking up doesn't sound right (You were technically not mine) Oh you were technically not mine I hate the way you're not my ex 'Cause now you're living in my head (yeah yeah) And maybe it was only sex 'Cause now you're leaving me a mess (yeah yeah) No, you're- Not my- Not my- Not my- Not my friend And you're- Not my- Not my- Not my boyfriend Doesn't mean I miss you less You're just not my- Not my- Not my ex Now I don't know what to call it All I know is it's past tense Twisting all my emotions Like we're doing gymnastics I hate the way you're not my ex 'Cause now you're living in my head (yeah yeah) And maybe it was only sex 'Cause now you're leaving me a mess (yeah yeah) No, you're- Not my- Not my- Not my- Not my friend And you're- Not my- Not my- Not my boyfriend Doesn't mean I miss you less You're just not my- Not my- Not my ex (not my ex, no)