ponymum
'DD is nearly always the best behaved baby anywhere we go.'
I believe you, but I expect the other mothers are thinking the exact same thing about theirs. Most mums get to KNOW their own children and plan outings accordingly, but this is much easier to do with the first as there is more flexibility. i.e. not going out to a stimulating place when they are tired. And if they do, make the excuse for their child's behaviour 'they're good really, I just took them on an outing to a stimulating place when they were tired'.
A bit waffly, but what I am trying to say is that IF you are just managing with 1, it is because you are employing strategies, and you'll do exactly the same with your second.
It'll be a little more complicated BUT you'll also be a little more experienced.
Also, even with a fairly small gap, having 2 is nowhere near as hard as I was expecting. In fact, the first is such a shock (and he too was a good baby) knowing what to expect with no.2, I can honestly say that I am finding life actually easier than just having DS in the early days.