When I was 14 or something, I learned x86 assembly by writing programs to other programs do things they weren't supposed to do, or things they could do under ce

When I was 14 or something, I learned x86 assembly by writing programs to other programs do things they weren't supposed to do, or things they could do under certain conditions; mainly patching other programs and finding inspiration in source code of a lot of viruses. There are a lot of things one could learn by disassembling.