Psȳchē explores the palace, and learns that she is its mistress.

paulō: abl. of degree of difference with fidēntior

propius: comparative of prope.

facit: with a reflexive pronoun, facio can mean “to take oneself” (a late Latin construction).

perfecta…congesta: linked by –que, both modify horrea.

Nec est quicquam quod ibi nōn est: “Everything (that exists) is there” (lit. “there is nothing that is not there”).

quod: a substantive clause of fact explaining hoc (A&G §572).

Haec eī…vīsentī: eī is the indirect object of offert; haec = D.O. of vīsentī. 

Tua: nom. neut. pl. and a predicate of sunt, whose subject is haec omnia. This recalls Aunt Byrrhena’s statement to Lucius, as he looked at the statue of Diana and Actaeon in her house: Tua sunt…cuncta quae vides (2.5.1).

ex arbitriō: “if you would like,” (li. “from your judgment”)

cūrātae: dat., modifying tibi; takes a gen. of description.