“You can always send your coins back to coinjoin again after you are done hodling your cold storage so that no one can look at the amount of time you held your coins to figure out your profits.”

Someone said that to me and I was wondering: So when I’m done holding and if I want to expend my btc for some reason I would move the btc from cold storage to wasabi for example and mix it and then spend it? But this means they could not know what was my entire stack on cold storage? Many thanks!