Sentence examples for everything in my from inspiring English sources

"everything in my" is correct and usable in written English.
It usually functions as a phrase modifying a noun or a verb, indicating that the speaker is referring to all things within their possession or control. Example: - I carefully packed everything in my suitcase before leaving for my trip. (modifying the verb "packed") - The new job offer includes a company car, a laptop, and everything in my job description. (modifying the noun "job description") - I love decorating my house for Christmas with everything in my collection of ornaments and lights. (modifying the noun "collection").