Female users should pass "she" as the only parameter. {{{1}}} defaults to "he". Sorry, women, I had to default to something. Since I happen to be male, I picked a value that would satisfy the only user I knew would use this box.
So passing:
Results in:
{{User:Will Pittenger/User Boxes/Ask This Old House}}
Ask TOH
If this user has a question about homes, he will take it to Ask This Old House
{{User:Will Pittenger/User Boxes/Ask This Old House|she}}
Ask TOH
If this user has a question about homes, she will take it to Ask This Old House