Injuries, discoveries that people generally don't notice until after the fact.
- People generally don't understand the word "loo" no matter how much I continue to use it.
- I've gotten used to doing my date dd/mm/yr (which makes more sense, who wants to know what month it is before the day?) instead of the American mm/dd/yr
- The 1st floor in the states is the ground floor everywhere else. So when someone at work told me to take something to the 3rd floor I ended up on the 4th.
- Hitting the ground running (finding a flat in Columbus, getting a job etc. within the first 2 weeks) -though a good idea will leave one exhausted.