Hard Earned Knowledge

Requested by Raxius. After Shanghai, Adrien begins to tutor Marinette while Mei Shi begins to tutor Fei, and Gabriel…well, he's coping with the things *he* learned. Oneshot. Complete. TW: mentions of death, grief, unhealthy coping, therapist making light of the situation. If the Mandarin is wrong, blame Google Translate XD