He didn’t text for ten days

We’ve been dating for 6 months, but he lives in a different city - about 3 hours away. Things have been great then one day he just stopped texting. He eventually got around to it, acting as if nothing happened. And I said it has been too long, clearly he wasn’t interested and I’m moving on. He replied telling me how busy he’s been with his work / daughter / social commitments and the distance isn’t helping. I have been planning on moving there, but have had a few set backs. I said something like, if you truly cared you’d make an effort. Then eventually, “look, I’ll let you know once I’m settled there and see how things go” he said okay let’s do that. He never once implied he cares or why he’s not making an effort. Should I just move on or is this a case of the distant Capricorn workaholic?