Being in the moment

In the book, Everyday Zen by Charlotte Joco Beck, I found the chapter Practicing with Relationships to be helpful As far as what it means to live in the moment.

After asking the question "So how is all this related to no-time, no-self?", she goes on to talk about how after a quarrel at breakfast, we're still upset at lunch time and thinking about how we're going to fix it. "What does exist? What's real? There is just my upset right now, at lunch. It's my story." Describing what happened at breakfast is not what happened. It's my story. What is real is the feelings I'm having and the chattering is a manifestation of that physical energy. "Outside of the physical experience, there is nothing else that's real."