1.That woman just checked you out. 那個美女正在挑逗地看著你呢。
Yes, this helps his self-confidence. But it also tells him that you just saw another woman looking at him and you're not afraid to tell him. It shows that you're confident enough to know that he won't be lured away by another gal。
沒錯,這樣說可以提升他的自信心。而且,你敢于告訴他你看到一個女人正看著他,這也說明你對他信心十足,相信他不會被其他人勾引走。