He seems content to let her read the pamphlet. It has the following sections:
The Ins And Outs Of Starscape - mostly stuff she already knows and has obsoleted for herself anyway, like that she has a week to decide, longer if she changes something, and a little chart of examples of things that she could fix if she had them (acne!) and things she could not fix without some research or expert guidance (asthma!). It explains how to get usable magic beyond what the starscape itself starts out by offering you need to change things about your body - enough, but not too much; there's a little infographic with a frowning girl with blue hair and no other changes on on end of the spectrum, a smiling girl with solid black eyes and wings in the middle, and a frowning girl who has turned herself into an octo-mermaid with pebbled cuttlefish skin all over herself on the right.
Magical Romance - a "so you're gay" introduction aimed at people who may be weighing the decision to become thaumosexual, written by someone who was trying to be PC but wasn't really sure how to do that.
Powers And You - vague and not particularly helpful, since powers vary so much, but it has examples, and it gives basic tips on how to dress for success - no copying more than a partial element of someone else's outfit but getting advice is fine, pick a theme and wear your theme hard, wear a skirt, hair emergencies are real emergencies, if your magic lends itself to anything visible you can get more out of it than you put in by using it to boost your costume, using "second layer starscape" effects for Technically Makeup is nearly as good as using "first layer starscape" effects for Actual Skin Repigmentation, the difference being that you're more likely to have to fix your makeup if it smudges but it won't cause more psychological changes...
Further Reading - a list of website URLs with names like elementsofstyle.com and swarmwatch.com and pairwise.com and inskirts.com, which are respectively "costuming tips" and "a community for swarm-hunting magical girls" and "magical girl dating site" and "magical girl fan and networking forum".