Elf
You might..
- Keep an observational distance from short lived races.
- Have an unintentional bias towards reckless behaviors done by short lived people, seeing it as stupid.
- Feel uncomfortable at how fast short lived races form familiar bond with you.
Others probably..
- See you as a prude, and question why you are unfamiliar with people.
- Refer to you about subjects regardless of your knowledge on the subject.
- Expect you to wield powerful magic.