影(kage)means shadow in English.
English follows Japanese.
何か思い悩んでる時は、全く同じ悩みを思い浮かべている第三者を想定して、その相談に乗ってみると良い。気分が楽になった。
When you want some solution for your trowuble, it may be good way you virtualy talk to another person, who has the same trouble. I come to feel even better by doing so.