Is using chatgpt only for editing bad?

So I've been recently writing a romance novel. The ideas are mine; I've written the whole book. i only send chapters for ChatGPT to edit. I usually also read what ChatGPT has written and then go over a second time, changing things i dont like. That doesn't sound like my voice. I've also had a friend read some of my novel and she's told me it doesn't sound like Ai. i only worry because I want to publish this book on wattpad. any advice? if so, is there any free softwares that can help me edit my book?

Is using chatgpt only for editing bad?
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