Okay, NOT solo. In fact, I have a terrific new walking partner - someone who easily keeps up, actually pushes me a bit, and is an inspiration in life every single day.
But solo. The person who gave me the kick-start for this journey has gone. Oh, we'll be in touch - a lot - and he'll be monitoring my progress and giving me more to do in the way of exercise as this goes along. But now I have to keep track of my own times and food and miles. I won't have the little voice in my ear telling me random bits of nutrition info. I won't have someone around to do the healthy cooking when I just want to fix a big pot of mac'n'cheese.
Nope. Time now to put on my big girl bloomers and take responsibility for this myself.
And I'm a little scared.