maternal instints...

Do all women have some sort of inbuilt maternal instincts or what? Today at training, when asked where do we see ourselves in 5 years time, a few of the females gave responses like having a family or having kids. I mean the reason why the trainer asked such a question was to get an idea of our professional aspirations and goals but somehow the issue of motherhood always crops up. Even my approximately 60 yr old landlady said that she treats me like her own son and I'm like woahh, hold on there my mother is way younger than you are. Go figure...