LOL, I had to look it up because I thought Lydia was MORE welcome than she actually was, but I should have realized she would avoid Darcy (would Darcy outright forbid her? I doubt it, after his first disastrous proposal nearly blew everything up, but I bet he would GLARE at her) and the pushover Bingleys would never say no. But poor Bingley would TALK of giving her a HINT! From anyone else that would probably be the equivalent of banning them from the grounds.