It's bad to not invite close friends to important events.
Sue is getting married and is sending out wedding invitations, keeping in mind that her two best friends Betty and Jane aren't getting along.
Sue doesn't want to upset her friends and wants to have a great wedding without any drama.
Sue doesn't take sides and invites both friends to the wedding.
Sue is closer friends with Jane, so she doesn't invite her friend Betty to the wedding.
Betty is happy to go the wedding and feels close with Sue.
Betty is very offended by Sue's decision and her feelings are hurt.