Using "like" makes your sentence more generalist. It helps when you don't know exactly how to say what you want to say. But again, it's a language vice, so it can come out because of anxiety, being nervous, pressure, etc.
Using "like" makes you more, like, open. Helps when you don't know exactly how to say what you want to say. It's like something you do, like, automatically. It may happen because of what you feel in the moment