The trick with this tactic is in hiding or disguising the fact that you're trying to impress her... I have had I don't know how many women tell me this about men. It is really an impression management tactic known as 'self-promotion', which seeks the perception of competence, value, worth, or skill in some form in the eyes of a target audience. It is, however, accompanied by the 'self-promoter's paradox', which is the notion that if one is objectively 'good', talented, or whatever, then data are readily available to support that view, and thus drawing attention to one's own abilities is a sign of arrogance, insecurity, or a lack of personal confidence - and a negative rather than positive impression is the result. Successful self-promoters therefore rely on sublety and indirectness (hints, allusions) to achieve their social goals without making their motives so obvious/transparent. As Player Supreme basically noted, being factual rather than evaluative is also of benefit: e.g., stating "I graduated first in my class" (if true) is a fact; stating that you were the "brightest student" , "smartest student", or "best student" sounds a bit more evaluative and thus self-aggrandizing.