Simplify the following text for a Grade 11 native English-speaking person.
Original: Kleptomania ( Greek : Î Î '' Î Ï Ï Î Î Î 1\/2 , kleptein , `` to steal '' , Î 1\/4 Î Î 1\/2 Î Î , `` mania '' ) is a mental disorder violent urge to steal condition of not being able to resist the urge to collect or hoard things .
Simplified: Kleptomania ( from , kleptein , `` to steal '' , and Î 1\/4 Î Î 1\/2 Î Î , `` mania '' ) is an irresistible urge to steal items of trivial value .