Being cordial is simply minding your manners around someone you dislike. Being a gentleman is never being a doormat. This is very adult and proper.
However, by holding on to feelings for someone who has made it clear that she is not interested, you are behaving a bit pitifully. Go out and meet another girl or spend time with a hobby. If you keep yourself occupied with worthwhile fulfilling things then you may find yourself able to like this girl as a friend instead of simply being polite.
He was doing his best to be cordial, but I could see by his face that he was skeptical. He and his neighbors had always had a cordial relationship, so he was confused when they began to ignore him.
It's when people who stay in touch are always polite to each other.
cordial
Brazil and the Unites States have over the years enjoyed a cordial relationship. This relationship encompasses both countries' economies, politics, and social lives.
Not at all, it enjoys a cordial relationship with Greenland, but it is and remains a solid part of Denmark.
"Cordial" is used in "To Kill a Mockingbird" to describe the relationship between Atticus Finch and Miss Maudie Atkinson. Miss Maudie shows Atticus warmth and friendliness, referring to him as "Atticus" rather than "Mr. Finch," highlighting the respectful and amicable nature of their relationship.
cordial is to be kind
He and his neighbors had always had a cordial relationship, so he was confused when they began to ignore him.
A mellifluous couple is a couple who are polite & cordial to each other, and whose relationship appears to be & symbiotic.
Something that was NOT true about Chinese-Japanese relations? That their relationship was friendly and cordial.
cordial was invented in 1900
I appreciate your cordial reply.