Answer:
I need to be taken from you before you can have me.
My first is a heir; My second's a snare; my whole is the offspring of fancy; which I sent out of play upon Valentine's day As a token of love to my Nancy.
I am so delicious that I require a house to contain me.
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
you hold my tail while I fish for you