How can you tell when a girl you're dating is losing interest, and/or seeing someone else?

Updates
+1 y
Thank you all for your responses. She does all the things you guys mentioned. So I don't understand why she keeps hanging out with me and tells me she's worried she's not enough for me. Is her behavior about her and a low self esteem? Or is she just not that into me? It's all very strange
How can you tell when a girl you're dating is losing interest, and/or seeing someone else?
Post Opinion