You're not selfish. But if you won't impregnate whatever girl ends up with you, she'll make your life a living hell. Women needs babies and if you take that away from her she'll resent you.
I suggest you send her to me so I'm the one who gives her the baby and she's happy and you're happy sxb
In other orders, you're requesting fornication under the consent of @Parailia somalensis.