Most of the time, there is no cultural penalty for mentally unstable behavior.

The son of Agamemnon has helped us to simulate unstable human behavior before.

Also she became very concerned due to the unstable behavior of her brother.

Her mother had a career in education, at one point being removed from a position due to unstable behavior.

She was eventually imprisoned after displaying increasingly unstable behaviour.

Jack has become distrustful of Nancy due to her erratic and unstable behavior.

Simply connecting position feedback would almost always result in unstable behaviour.

But relatives stunned by the account said they thought it explained changes in his personality at age 12 and his unstable behavior since then.

The "new" Cindy was weighing him down with her clingy, unstable behavior.

Annie's unstable behavior keeps everyone on edge, and finally leads to her death in a car wreck.