I asked friends which I know to be brutally honest as I was both skeptical and worried.
And you indeed smell if you don’t shower two times a day without soap and deodorant.
And even by showering two times a day you will smell the first month until the skin regulates its oil production and the microbiome is able to handle skin wastes.
For example, if you've been asking "I don't smell bad right?? I smell great, right!?" you're unlikely to get honest replies.
Reminds me of "The Mom Test" [1]. The book has a few tricks that can help with asking tough questions and receiving an honest feedback.
[1] https://www.momtestbook.com/