YOU SAID:

huh? oh, yeah, i'm fine. (ow my arm) there's no need to worry about it, okay?

INTO JAPANESE

え？あ、大丈夫ですよ。（腕が痛い）心配しなくていいですよ？

BACK INTO ENGLISH

Huh? Oh, it's okay. (My arm hurts) Don't worry, okay?

INTO JAPANESE

え？あ、大丈夫ですよ。（腕が痛い）心配しないでね？

BACK INTO ENGLISH

Huh? Oh, it's okay. (My arm hurts) Don't worry, okay?