She does what she can not to let the word 'like' stick too firmly in her brain, aware that there's no reason to read into it deeper than how they're spending time together, and it's not all devolving into an argument. It's a friendly word, something she should be happy for, and nothing more.

"Might be good for your image, but very tiring for your wife. Then you really will have to sleep on a sofa." Purely for the benefit of any passing eavesdropper - of course.