In place of the blood of the slaughtered bulls from the covenantal ceremony in Exodus, we looked for another substance to effect the covenant ceremony. Amalya was born right after Shavuot, on which we have a tradition to eat dairy. In fact, milk itself is associated with the acceptance of Torah, as described in the following Midrash which quotes a verse from Song of Songs (4:11): “Sweetness drops from your lips, O bride; honey and milk are under your tongue and the scent of your robes is like the scent of Lebanon.”