All senses have each their likes and dislikes for respective fixed objects. But no one should be under their control, for they are one's (great) opponents, (hindrances to final emancipation).
इन्द्रियस्येन्द्रियस्यार्थे रागद्वेषौ व्यवस्थितौ। तयोर्न वशमागच्छेत् तौ ह्यस्य परिपन्थिनौ॥