back home you planned and shopped accordingly. You don't buy one AA battery, you buy a pack of 20 and stick the rest in the drawer.
Thais live in the now with a forward planning range of 47minutes or their next meal, which is always about 47 minutes away.
They put petrol in their bikes one liter at a time, when BiL first saw me fill my 10 ltr tank he thought I was insane and asked me if I was planning to ride to Bangkok.
Check, the missus will probably come back with 7 bin liners.