For the past month I have really bad knee pain

Patient: For the past month I have really bad knee pain and started to get really horrible charlie horses and the I keep having the pain in my knee and my patella in my knee moves around and dosent feel attatched like the one in my other knee and I alao know that my mom, grandma, and aunt all have avascular neucrosis in their hips. Do you think I should get checked out or what it could be?

Doctor: