Do you ascribe it as one of the faults of man! The seminal fluid, originating in one's nature from sight of one person, goes to another person.
अपराधं समाचक्ष्व पुरुषस्य स्वभावतः। शुक्रमन्यत्र सम्भूतं पुनरन्यत्र गच्छति॥