I'd simply lay off OOP for a while until some mastery of the fundamentals - sigils, references, etc. - is gained. I think once one gets to that point, to move on to perldoc perltoot rather than Moose.

Moose is great and everything, but one has to eventually be spoiled by the "old ways" if you are ever going to understand most existing code. Beyond that, once you've got a good hold on references I think the old school object implementation has pretty low overhead to learn.