Maternal yearnings

Owen weaned a couple months back, in preparation for my vacation among other things. I am floored by the maternal yearning to pull that child to my breast and nurse him right now. In the couple days leading up to his surgery and ever since, I feel such a pull to that. He is still on the small side and currently not interested in eating even the few things he would previous let past his lips. I am desprate to get him interested in food or find that magic morsel that he will devour. I start thinking to myself, if he was nursing I would know he was getting some nutrients.....oh the mothers heartache. I have crazy thoughts of relactating with my 16 months old, a bit unrealistic.