As the young Arthur found that sword in the stone as a young boy, he was able to, pull it out, with no troubles at all, because he had a lot of expectation, forced onto his shoulders, and, it’d become, too heavy, as he got older, he did, pull that sword out of a stone as a child, when he was still, unaware, of what he was capable of, but, as Arthur aged, he’d become, more and more troubled by the things going on around him, he’s now, in charge of the wellbeing of Camelot, his kingdom, and, with every member of the land, looking up to him, he felt, suffocated.
He’d recalled back when he was still, a young boy, just a knight in training back in the day, where he’d had NO unneeded worries, but to get the sword to the person he was apprenticing under, as well, as his stable duties, keeping the horses fed, making sure, that the knights got their swords shiny, boots, polished, etc., etc., etc., and how simple life was back then………
And, all those expectations, expectancies of who he’ll become, they all, crumbled down, on young Arthur’s shoulders, so, he’d made up his mind, to stick that sword, BACK inside that stone, and then, got his happier childhood days back again.