In her book women, men and language Jennifer coates - studied men - only and women - only discussion groups. She found that when women talk to each other, they reveal a lot about their private lives. They also stick to one topic for a long time, let all speakers finish their sentences, and try to have everyone participate. Men, on the other hand, raraly talk about their personal relationships and feelings, but " compete to prove then selves better informed about current affairs travel, and sports. " they change topics often and try to dominate the conversation