we're not going to lit go. >> to be president of this country, you need tremendous stamina. >> we've done more than any thought b possible. not even two years. >> let's go to the white house now to our chief white house correspondent, jim acosta. can you define this, what exactly is executive time? >> i think that's in the eye of the beholder. there are trump critics who will say he's spending a lot f time behind the scenes, come peposin tweets and watching tv. i've talked to the white house just in the last hour and this is somebody who speaks regularly with the president who says no, he does spend a will the lot of twitter and watching tv, but he's also on the phone. talking to outside advisers. that's something we've talked about before. that he talks to these outside advisers and friends, really to the frustration of people like the former chief of staff john