I'd give the first loss a pass: we were still reeling from the Chelsea game that proved a big turning point in our season. It goes without saying that we don't have a great record against them, but if you don't feel confident when facing a team that - at least on paper - allows you to play to your strengths, you might as well give up on the whole season.
We're not doing great at the moment but we're not in complete freefall either. I don't have any feelings one way or another about Postecoglou but a) I think he managed the injury crisis better than he had last season and b) so far, his team always bounced back when give the chance.
I wouldn't say that's a fixture we can't lose, but I'm feeling more confident about this one than I did when we faced Forest.