Having just spent 20 minutes looking for my keys, knowing that I let myself in the house with them 15 minutes before, dumped all my washing out of the machine in case they fell in, searched under the bed, tore the kitchen apart then discovered they were hanging from my belt on the other side to normal, then, yes, loss of memory is a real option.
I think Brexit has affected the British people much more than they thought, the departure from the EU has affected their colour sense. This is a blue British passport: