- find it difficult to talk about your own emotions;
- be perceived by others as excessively logical, or unsentimental without being unfriendly;
- be perplexed by other people's emotional reactions;
- give pedantic and long-winded answers to practical questions;
- make personal decisions according to principles rather than feelings;
- suffer occasional inexplicable physiological disturbances such as palpitations, stomach ache, or hot flashes.