I’m not a backup plan, and definitely not a second choice.
我不是备胎，我绝对是你的不二之选！

Scatter it,if you can not hold the sand.
握不住的沙，干脆扬了它。

Chuck：“your world would be much easier if I didn't come back.
如果没有我，你的世界会简单些。。。。
Queen B ：“but it wouldn't be my world without you in it.”
但是失去了你，我的世界将不复存在。