In Present perfect^x, Perfect progressive^x, Conversations^x

She is eating dinner for one hour. / She has been eating dinner for one hour.He is watching TV all day. / He has been watching TV all day. It is raining outside. / It has been raining outside. What are you talking about? / What have you been talking about? You can't specify a period...

when it comes to day to day conversation, none of that really matters anymore .. how we express ourselves decides what people see from us. what do you think?