This letter compliments your lover for getting you a wonderful gift.
1234, Main Street
Boston, MA 02123
07 April, 2005
<Recipient Address Goes Here>
Thank you, thank you, thank you! I am so thrilled with the <gift> you got me <time>. It was incredibly thoughtful of you. I'm still smiling just thinking about how surprised I was.
You are truly the most wonderful person in the world. I love you very much. Just be alert, because I'm going to try to find a gift for you that makes you feel as great as the one you got me.
Thank you again, my love.
encl: <List of enclosed items goes here>