Answer:
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.
The Titanic is still here.
If you break me, I'll not stop working. If you can touch me, my work is done. What am I?
You cannot keep me until you have given me. What am I?
Skirts for men.
No matter how little or how much you use me, you change me every month.