Today's theme is "stalkers." What stalkers desire is a form of mental nourishment known as "strokes." But what are strokes? The doctor will explain it in simple terms.
all actions that have a positive 
effect on another's mood.
كافّة التصرُّفات التي لها تأثير
إيجابي على مزاجِ الآخر
todas las acciones que hacen que la 
gente tenga sentimientos positivos.
todas las acciones que hacen que la 
gente tenga sentimientos positivos.
les actes provoquant chez une personne
des sentiments positifs.
sono tutte le azioni che hanno
 un effetto positivo sull'umore.
são ações que têm resultados positivos.