It is silly to feel like or say that this is on your shoulders. This is oftentimes how it feels, but really? This would involve an assortment of heavy things like whole walmarts, camels, rainforests, Mormon Churches, whole classrooms of kindergartners, steakhouses, oceans, parking lots, and overpriced midtown sports centers actually resting on your shoulders, like Humph. Heavy. Plausible? No. Is this really how it feels? Yes.
When I feel this extended metaphor, I like to breath and eat some bacon and re-assess the ACTUAL weight of my worries, which is probably something more like this: