It seems that a man does not surely get happiness as the result of his virtuous acts; for Draupadi, though of virtuous habits of life, does not get unending happiness.
न नूनं कर्मभिः पुण्यैरश्नुते पुरुषः सुखम्। द्रौपदी चेत् तथावृत्ता नाश्नुते सुखमव्ययम्॥