《Love Foolish》是Twice演唱的歌曲，由E-Tribe、Mafly、J-Yo、Nayvadius Wilburn、Yoona Kim作詞，E-Tribe、Mafly、Nayvadius Wilburn作曲，收錄於專輯《SQUARE UP》中。
韓文歌詞如下：
Girl I know you're feeling me
感覺到我了吧 女孩
But you gotta keep it together
但你一定要保持冷靜
너무 빠져버린 듯한 걸
你仿佛陷得太深
네 맘 잘 들여다 봐도
即使好好審視你的內心
그럴수록 난 좋아져
越是如此 我越是喜歡
그럴수록 난 좋아져
越是如此 我越是喜歡
Oh I'm falling for you love foolish love foolish
Oh 我為你而沉淪 愛得荒唐 愛得愚蠢
Oh I'm falling for you love foolish love foolish
Oh 我為你而淪陷 愛得荒唐 愛得愚蠢
넌 네가 좋아하는 걸 다 해도 돼
你可以做你喜歡的一切
난 네게 끌려가 버린 걸까
我是被你的魅力所吸引了嗎
넌 네가 좋아하는 모습 지쳐가지 않아 Oh yeah
你不喜歡的樣子我通通都不做 永遠都不會疲倦 Oh yeah
넌 정말 모르겠지 네게로 나를 빠진 나의 그 spots oh yeah yeah yeah
你真的不知道嗎 你已經把我深深吸引 Oh yeah yeah yeah
Yeah love foolish love foolish Oh yeah yeah yeah yeah
Yeah 愛得荒唐 愛得愚蠢 Oh yeah yeah yeah yeah
Oh I'm falling for you love foolish love foolish (falling for you) Oh yeah yeah yeah (falling for you)
Yeah I'm falling for you love foolish love foolish (falling for you) Oh yeah yeah yeah (falling for you) Yeah (oh oh oh) Yeah (oh oh oh) (love fool)
中文歌詞如下：
Girl I know you're feeling me girl 你感覺到我了沒錯，你只要保持冷靜就行了。就算你好好觀察你的心也好不過，越來越深的我更加喜歡，越來越深的我更加喜歡，喔我為你沉淪愛得荒唐愛得愚蠢，喔我為你淪陷愛得荒唐愛得愚蠢，你可以做你喜歡的一切，我為你被吸引了嗎？你可以做你喜歡的一切，我為你著迷了不是嗎？你不喜歡的樣子我通通都不做，永遠都不會疲倦喔耶喔耶耶耶，你不知道吧，你已把我深深吸引我真心地愛你瘋狂的愛著你喔耶喔耶耶耶，Yeah love foolish love foolish Oh yeah yeah yeah Yeah I'm falling for you love foolish love foolish (falling for you) Oh yeah yeah yeah (falling for you)Yeah (oh oh oh) Yeah (oh oh oh) (love fool) You don't even know (don't even know) like the feeling like the feeling that I'm in for ya fallin' overboard in the ocean of your love yeah(Oh Oh Oh) Oops! Sorry I fell for you from the start. My heart beats only for you, can't get enough of your sweet nothings in the dark, so tell me what to do, so I can make a move, got my heart on my sleeve, sighing like a sucker, baby it's true, oh love foolish love foolish Oh yeah yeah yeah Yeah (oh oh oh) Yeah (oh oh oh) Yeah (oh oh oh) Yeah (oh oh oh) (love fool)