Cross-love 5

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Across
  1. 2. One of the shapes most used on Valentine's Day
  2. 4. All-conquering emotion
  3. 5. It often comes with a proposal
  4. 7. Perfect match
Down
  1. 1. Like some credit cards
  2. 3. A token of affection
  3. 6. Romantic light source
  4. 7. Like sugar