I assume characters will retain full memory of what it felt like to hate the people closest to them?

Also, can a character see their own heart mark, or, like the note, will they never notice it? Can they accidentally find their own bear? If someone brings their bear to them, can they cut the heart out themselves? (Can the bears be moved around at all, come to think of it?)

Sorry for the stupid questions, the thoughts just kind of came to mind.