When a girl bites her lip, her curiosity about you is peaked. She is feeling something towards you, and she’s expressing it. She’s interested in who you are. When a woman bites her lip, she wants to be more than friends. She wants to be with you. She is interesting is seeing how a life with you would look like. She wants to have you in her life, to herself.
When a girl bites her lip in front of you, she’s telling you you’re good looking and appealing. Good looking doesn’t mean handsome or pretty, good looking is a perception that she feels towards you based on her likes and dislikes. I don’t believe in the necessary scale of “good looks,” and I think beauty is a very personal thing; everyone is beautiful.
When your girlfriend bites her lip, it means she wants you more. She’s highly involved in your life, and you in hers. You two complete each other in a romantic and lifelong bond. When she bites her lip, she’s expressing the pure passion she feels toward you.
When a girl bites her lip, it’s a tell. It’s a massive tell that you’re an attraction for her, and she’s interested in what she sees. It’s a huge confidence boost to see someone bite their lip because they think you’re so amazingly beautiful. It means she appreciates your presence, and she likes how you make her feel. It’s usually involuntary, a reaction to something clicking in that instant. It’s a sign that she wants to know more about you.
When we’re talking about the purely physical aspect of things, when she bites her lip, she’s telling you how good you make her feel about herself. She wants you to know in every way possible. Don’t ignore it.