习惯上需要加"a"，to be a better me或myself。
另外形容词一般不能修饰代词，但也有特例： lucky her, silly me, dumb one， better me等。
to be a better me：
意指：成为一个更好的我。
例句：To be a better me can't wait for those Criminals to come up to me as soon as possibly just for the next deal. And again and again.
[better]
adj.更好的；较好的
adv.更好地
v.使更好；改善
n.更好者；更优者；下赌注者
例句
用作形容词 (adj.)
Her father transferred her to a better school.
她父亲把她转到了一所更好的学校。
The union struck for better work conditions.
工会为争取更好的工作条件而罢工。
You must pay extra for a better seat.
如要较好的座位必须另加钱。
用作副词 (adv.)
You would write better if you had a good pen.
要是有枝好笔，就能写得更好。
You'll like it better when you understand it more.
当你对它更了解时，你就会更喜欢它。
用作动词 (v.)
His solution of his debt enabled him to better his daily life.
他还清了债，可以过好点儿的日子了。
He had tried hard to better his status, but failed.
他努力设法改善自己的地位,但未能成功。