4. While looking at the fashion of passers-by, casually comment, “That might also look nice on you.”
“If my fashion role model is an ordinary person in the street, I feel like I can do it too.” By establishing an outfit he can aim for, you are boosting his awareness that he can be good with fashion. If you know the brand name, let him know “Those are clothes from ○○.” That way, he can start accumulating knowledge.