Smells bringing you back in time

I’m wondering if anyone else gets a horrible nostalgia-type sensation whenever you smell something that was prevalent during the rock bottom of your ed. I had a specific perfume, the scent is completely ruined for me now. I drank a lot of black coffee with artificial sweeteners, now i can’t even smell coffee without feeling sick. The smell of cleaning products take me back to hospital and doctors offices. I also cannot enjoy any kind of milk based drink without the smell of it making me feel sick, since it reminds me of ensure.