I'm offended by this question and my credit is in the Excellent range.
Somebody's credit score isn't going to make a difference in whether or not I am interested in a relationship with them, and when it becomes serious enough that I have to consider co-mingling of finances it's not going to be a factor. The only factor will be whether or not I trust them and whether or not we are partners in the relationship. I will know those answers long before that point without ever asking about their credit score, debt, or finances.