Here is an interesting hypothesis. The fitness staff generally manage training loads.
I would guess we put in a big training session in prep for swans likely on the Monday before the Swans game. This would be a way of building / maintaining fitness for the remainder of the year.
I would guess that the loss to lions may have been down to fatigue factors from the week prior of we had a big session, followed by a big game against swans and ran out of legs against lions.
Have no facts. But I'm a sports science Guy and often poor performances or fade outs can be traced back a few weeks and maybe we got the balance slightly wrong...