because basically we are now learning to live with a virus, hard to imagine, and not die by it, which is the only option we had in 2020. >> i hear in your voice a lot of optimism. i think there was a lot of yo-yo, we are going back to the office, not going back to the office. we're going back to the office, but not just yet. there has been a lost to that corporate culture and we have to talk about learning loss. you're a mother, you're also an instructor. at what point do we have to make that critical shift? and i know the way you analyze these things to say look, it's now worth the risk. we need to get back to a more normal life. >> exactly. that is right. the idea that people still talk about risk elimination is ridiculous, because it just assumes there's no consequences for deciding to have the most aggressive public health policy. i think what you're seeing now in a number of country is also a recognition that they're making