He was quiet and undemonstrative in manner, but had a fascinating personality. The breeding behavior of the Hottentot teal is relatively undemonstrative. Sumner's parents were described as exceedingly formal and undemonstrative. Roger was an undemonstrative player, and a quiet and modest man off the field. The writer Michael Spender described Joy's work as "undemonstrative and accurate in its nautical detail". Poses are undemonstrative, especially for women, though children may be allowed more freedom.