sounds perfectly normal to me hun (and i had to laugh at the title

)
Ollie would go every nappy at first, and as he got older could go up to 10 days without passing his bowels.
they're still getting used to having to pass their bowels at 3 weeks, so it can come in a range of types.... green tho can mean they are getting a bit too much foremilk, but unless its coupled with no weight gain, or weight loss shouldnt be a problem (I'm assuming not every one is green...)
And as for farting! Ollie farts like a trouper, always has done, still does :lol:
as for nappies, its if they're not wet there could be a problem, or if the poo is really solid, or very green continuously with no weight gain....
Sounds like you have a good one there
xxxxxxx