I always seem to have parts left over

 What happens when the words come easy,
slipping through my fingers like bric-a-brac
cluttered on a shelf and tumbling down
at the slightest provocation; do they mean
any less than those hard-won? They might -
coming through the assembly line with
plaster seeping through the moldline
paint just a bit past the sclera to mock
fine craftmanship otherwise saying I did not
earn this. But can you tell when I do?