"Thank you for writing all that stuff," he said to a group of reporters.
Perhaps, to support his partner, he can say something like "Thank you for writing this letter.
"Thank you for writing to me," came the speedy response.
Thank you very much for writing the letter on behalf of my son, Craig.
I really appreciate Laura's essay and thank her for writing it.
I know every child is different, but thank you for writing about your experiences.
I love reading biological pieces like this, and thank you very much for writing it.
I thank you, sir, very seriously for writing to me.
I wanted to shake his hand and thank him for writing a great song.
And I'll thank you for not writing my name down in your little book, sir.