user
If you break me,  I do not stop working.   If you touch me,  I may be snared.   If you lose me,  Nothing will matter.   What am I?
A: edge
B: ones heart
C: actress
D: intellectual
E: author
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>