It could be the weight gain is preparing men for their investment such as the sleepless nights and taking over the extra work. |
Males do most of the carrying of infants — usually two — once they are born. |
The males somehow cue in to the cascade of hormonal changes going on in their pregnant mates. |
The weight gain is an adaptive mechanism. These males that are gaining weight are picking up some type of signaling from the female. |
We think that's what's happening in males, too. |
We're interested in what motivates dads to be good parents because there are so many men who just aren't good fathers. This work could help to tease apart what makes a good dad. |