As I loosed off the headset my youngest kept the front wheel of her bike straight by holding it between her knees. It’s simple enough to get the handlebars and the front wheel of your bike aligned when you know how. Only as I moved so did my daughter.
You get the idea.
Busy in problem-solver mode it’s easy to feel frustrated and take over.
The alternative is to switch roles. Take on a new perspective. See what the other has to do to make it work. Be more kind, playful, and approachable.