Step 1: Context.
Warmth and affection in a relationship drive away pain and negativity.
Step 2: Option Analysis.
(A) hurt: Correct — Hurt disappears when love and care exist.
(B) love: Opposite meaning.
(C) care: Essential, not what vanishes.
(D) affection: Same as love, not vanishing.
Step 3: Conclusion.
Correct answer is (A) hurt.