How’s tummy time going for everyone?

I feel like a terrible mom because I don’t always remember to do tummy time. He’s definitely not getting the 20 min a day that’s recommended. I tried to at least get around 10 minutes a day until I returned to work but I’ve been back for a week and only remembered once. Which is terrible, I know. He’s got a really strong neck and prefers to be held over the shoulder so he can move his head and look around, so I know he’s definitely building those neck muscles. But I worry he won’t be able to crawl or lift his body up. Hopefully once we settle into a work routine, I will be better about remembering tummy time. Anyone else in the same boat?