but whom I am when I'm by your side

but whom I am when I'm by your side 翻```I love you not for whom you are but who I am， when I'm by your mde. I am sorry ,but .. Do you know whom I am 谁能帮我翻译一下：I love you not whom you are but who I am when i`m by your side 这个帮我翻译一下呀。I love you not for whom you are,but who I am when I'm by your side. But I am only human . I am not there, but I am there!是什么意思 啊? I am somgthing that is too much for me,enough for two,but nothing at all for three.W am I? I was nobody yesterday,but I am somebody today！是什么意思???