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