There’s a lot of writing advice around that is bad — well-intentioned, but misleading. It usually results from people simply repeating what they’ve heard, and turning it into “a rule” that they then share with (or impose on) other new writers.
For instance how often have I seen new writers warned off this kind of thing:
Her eyes dropped to the floor.
No, no, the ‘expert’ instructs gleefully. If you write this your reader will imagine eyeballs popping out of someone’s head and landing on the floor. You should write:
She lowered her gaze to the floor.
Nonsense, say I. It’s a metaphor. No reader with half a brain is going to think her eyes dropped out of her skull and landed on the floor — because clearly this happens all the time in real life!
It’s just like saying “She flew to the window” or “He froze” or “He approached the door with leaden footsteps.”
They’re all metaphors! She didn’t literally fly — she hurried; he didn’t literally freeze, he went abruptly still; and his feet weren’t made of lead, it’s a metaphor to show how reluctant he was to approach the door.
So when you’re given writing advice — mine included— think about it, and decide for yourself whether to adopt it or not.