Shy

Shy is a trait, released with The Sims 3: Late Night expansion pack. The trait conflicts with Flirty and party animal.It is unknown whether which pre-created Sims in the expansion pack (if any) have the trait. The trait may be similar to a removed trait called shy, which was merged with the Loner trait. Its existence was confirmed during a Grant Rodiek Twitter session regarding the new expansion pack. Info from SimFans at EA hands-on event in Germany:


 * Shy Sims will never approach a sim that is not a friend and will tend to stay in their rooms if they are able to.
 * They are uncomfortable around large crowds of people.
 * A Shy Sim has a harder time making new friends than others.
 * A Shy Sim will feel uncomfortable around a group of non-friend Sims.
 * A Shy Sim will feel comfortable around a group of friends.