No, wait, go back to being the Doctor. That part was better. He knows it's not true - there are plenty of can openers in the TARDIS, an overabundance of kitchen supplies, not always when you needed them.

His teacup is ceramic, now, not the far future equivalent. He can tell because of the hairline cracks, because it fractures when he throws it at the wall and watches the pieces crunch under his feet as he leaves, and cries, and stares down at his teacup.