How to increase the chance of having a boy?

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I'd want rather a boy.

Any tips folk?

i tried it twice (for a girl) and got boy both times!

I read the Hazel Chesterman Philips. Good book if you believe that stuff.
In short:
Both eat banana each day
He should wear boxers, no saunas, hot showers etc
Have sex on ovulation day but not for a few days before
Good luck (and yes girls are nice too - I've one of each, both lovely!)