Be a smart couple, if the economic status is good enough to support a family with five people, and u can well arrange their life properly after giving birth to new born baby. And u2 can withstand the impact of one more girl baby coming to your life. Then, u2 can arrange further.
I always think it needs 理性决定 much more than 感性决定. Dun mainly focus on We want a baby boy in my family.