Walking along a plank on the floor is easy. The same plank between two roofs is a completely different story, even though it's just as wide.
In the simulator, minus $10 is just a number. In a real account it's dinner at a café. Your hand reaches out by itself to move the stop or take profit too early. That's normal; it happens to almost everyone. One thing helps: an amount so small that you don't mind losing it.