I don't agree with, because even though that is the only child to the downside, but it's not a problem for many parents, although they will have to pay for his child, so he was willing to.
I disagree Even though that was the only child to have some disadvantages. But it's not as much trouble as for parents, even if they had to pay for his son, but he was not willing.
I don't agree. Because although that is an only child to have disadvantages, but it is not a problem, such as for parents, although they will have to pay for his child a lot, but he was willing.