As an oldie I'm better at hydrating myself than when I went and only drank booze or at a push booze and tea.  Also as an aging hippy try to cut down on the wasted cups. Every day for me is some sort of mix of Water (maybe a metal bottle these days? although tbh that's not what I necessarily want to carry in by coach - should I have got involved in bottle gate?) Tea - I go  to Tiny Tea Tend a lot and use their mugs but other places are often paper cups or whatever so wondering if ther