A male friend told me that he loved me 15 years ago, when I was in a (BAD) relationship with someone else. I told him I was not interested (& I am still not now). He accepted it and we have managed to remain friends until this day. I think he was brave for telling me. It is hard for most guys to share their feelings, so just go for it. If she’s a good friend & she’s not interested, then it shouldn’t ruin your friendship. See what happens.