Psychic Ulcers - or - Does that involve a copay?

What happens to all of those stories inside of us that we can’t get out due to lack of time or initiative? Do they eventually rot and metastasize? Do they have a shelf life? Is there a time period after which if we finally go back and try to write it, that particular story has gone bad? I sometimes feel an urgency that if I’m not working on my writing at least a bit every day, then parts of stories - those stories wanting to get out - start to manifest themselves as something akin to ulcers...