Daytime’s kicked in properly while we were up there. Rathmines is buzzing: students hunting hangover cures, couples making sure the world can see how in love they are, families who are going to enjoy their family time if it kills them all. One look at it drops us both into the morning-after vortex, when your body suddenly realizes you’ve been up all night and shuts down the engine, turning you floppy with fatigue.

