She's trying to explain the obstacles you have to overcome but they're just too high for you to comfort cause you need to get better to achieve that goal and overcome the fear or challenge you've always wanted to overcome because it challenged you. She's saying that you'll get it someday but sometimes it'll take a while. She's saying that you'll get that wave and surf on it and tame it like it's a wild beast or like training an animal.
You're sharing someones emotions like to be sympathetic or empathetic. To feel their experience, you know? Or sharing your experience, hearing each other out.