嘘の自分のままで、誰かを好きになってしまうと、
付き合っても、嘘の自分を演じなければならない。
ずっと、嘘の自分のまま、人生が終わってしまう。
If you fall for someone while remaining a false version of yourself, even if you start dating, you must keep up that pretence.
You'll spend your entire life as that false self until the very end.