Did you do anything to conceive a girl after boy?

I have 2 beautiful boys and we are undecided if we would like one final baby yet. First baby I conceived on ovulation day. Second baby was conceived about 5 days before ovulation so I'm not too trusting on that theory. I know there's no guaranteed way to conceive a girl but would love a girl to complete our family. Obviously would still be happy with a boy. Please don't judge I know not everyone agrees with this and I do agree the most important thing is a healthy baby but I can't help but still hope for a girl.