Based on how I used it in the sentence you should have been able to infer I meant the second definition of the word not the first. It's a figure of speech, it does not mean literally entertain it means I won't give consideration to.Under 35 or not, even the idea of "entertain" a woman is repulsive to me. I mean you're a man, not a clown, it's not your job to "entertain" a woman.
No men should "entertain" women, unless you are paid clowns.
provide (someone) with amusement or enjoyment.
"a tremendous game that thoroughly entertained the crowd"
give attention or consideration to (an idea, suggestion, or feeling).
"Washington entertained little hope of an early improvement in relations"