Your husband just come home from the work,you see he is frowning,when he sit next to you he huff,he try to make a sign "babe,i see my friend have a baby,and the baby is cute,i wonder what our child look like if we make one?" He try to make you understand he want a baby

He has a baby fever,he really want a baby with you,you don't notice that he want a baby,he start frowning and finally he is straight to the point,he hug your arm "i want a baby! Please" he sulk