Varicose veins in the legs

I have varicose veins in my legs and I wonder if it's okay to leave them alone without any procedures or surgeries. If it's not for cosmetic reasons, is it okay to just leave it be? I haven't been bothered by it in daily life, so I lived without much thought, but now I'm curious haha. Also, I would like to know if there are any good lifestyle habits or precautions for varicose veins~