i have two boys which are only twenty months apart, at times it can be hard although my second child is such a delight, and has made it so much easier for me, the one thing that i worried about the most was whether i was going to breast feed baby no2, when the time come i decided against it. with my eldest child being under the age of 2 they are still so dependent on us for so many things at that age, it was easier to give baby a bottle and lay him down to have it so i could still meet my eldest childs wants and needs. i dont regret it at all especially cause i had a 2nd boy, they will grow up (hopefully) the best of mates. one thing that is difficult with the both of them though is the grocery shopping, you cant expect the two year old to walk beside you, cause thats just not going to happen, and if you put him in the trolley you have little room left, squashed bread and its just a nightmare, i tend to leave one at home or with my mum.
good luck with your descision i hope i have helped in some way if you have any questions would like me to answer please ask