Valentine's Day

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Across
  1. 4. - one of the most beautiful feelings in the world
  2. 5. - you put a letter into it
  3. 6. - a symbol of love
Down
  1. 1. - you use a pencil to make it
  2. 2. - to actively take part in a holiday
  3. 3. of chocolates - a sweet gift that you give to a special person