I feel like I am doing things "wrong" on an almost daily basis when writing code. It is probably a pretty universal feeling. Should I put my business logic in

I feel like I am doing things "wrong" on an almost daily basis when writing code. It is probably a pretty universal feeling. Should I put my business logic in a database, application code, front end JavaScript, or even a notebook? There is no ideal solution. Tell me I am wrong and I will probably agree with you.