But two days before the wedding, Hermione was getting desperate. The boron cauldron that Severus had sourced for her had been placed in the immense library fire for eight days; the liquid inside was sky blue and had reached the viscosity of a non-Newtonian fluid. Ron pointed out the potion's unique density and suggested that Hermione had brewed it wrong. Hermione threw a few choice words at him about what he could do with his uneducated opinion before trailing off. What if he died, and this was the last time he ever vexed her? 