8 Things That Cause Your Lack of Motivation And How to Fix Them_6 / Uncategorized / By Dimples Horse Treats 8 Things That Cause Your Lack of Motivation And How to Fix Them Funke, J. Zeitschrift für Psychol. 193, 443–465. Funke, J. Zeitschrift für Psychol. 193, 443–465.