For she said within herself, If I may but touch his garment, I shall be whole.
All Commentaries on Matthew 9:21 Go To Matthew 9
Why did she not approach him openly? Was she ashamed on account of her continuing menstrual period? Did she consider herself unclean? If the menstruous woman had been declared ritually unclean, she surely would have had these reservations. For in terms of Mosaic law her flow of blood was regarded as uncleanness. For this reason she remained hidden. She concealed herself. In this respect she had not yet understood his ministry; otherwise she would not have thought it necessary to remain concealed. The Gospel of Matthew, Homily