it's totally normal believe me i had the same Q before and i looked it up and yup it's totally normal idk abt imagination it's sometimes mood and as u said sometimes it's imagination, and it's not weird, and yes it feels good ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄ and u don't necessarly need SOMETHING just do it normally hope this helps (๑•̀�......
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