That doesn't sound like a blunder to me. She's been doing this pretty much shortly after she left and, like you said in one of your first posts on this thread, somebody must've sprayed weedkiller on the grass on the other side of the fence.
All I've got to say is that you're honey and she's a fly. She looks very unsure of the decision that she's made.
BD
My latest
Me: 36 W: 35 2 D: 9 and 5 T: 16 years M: 12 10/4/06: Bomb 10/5/06: Ended A 4/22/07: ILYBNILWY