I'm still pretty new to wet shaving (I started this past winter), so I'm not sure if I'm doing something wrong when I build my lather, but after a few minutes of it sitting in my mug it starts to dry up and disappear. I have a Parker Chrome badger hair brush and mostly use TOBS Avacado. The lather that I build is great, but when I go to collect more on my brush for my second and third passes it's much thinner than what I originally made. Am I doing something wrong, or is that a normal occurrence?