how is a sugar relationship different from prostitution?

how is having a sugar daddy different than prostitution? from my knowledge, it sounds like a man is still paying to use your body/sexual acts with the component of the ‘baby’ being financially compensated.

only difference I can think of is that there’s a faux relationship or the duration lasts longer. from forums, I’ve see sugar relationship not focus on love (duh) and that the whole encounters get awkward when one party does reveal that they have deeper feelings for the other.