>>8172628>downloads folderwell...if you wanna save personal stuff you train your brain to be less retarded, or just accept that you're not that smart to fight for it and obey. Still, best thing I can advise you is to use telegram in incognito mode, as it has a comfy self-messaging channel, though don't use tha app as it creates a cache on your pc.
Also, if you're so paranoid and worried for your parents finding your pics, I hope you won't forget to delete your stuff from hard drive directly and not just block the way