Same thing's happening to me - I think it's because I need a trim - it's been 7 months since my last one. And I don't really notice majorly bad tangles that often, just once in a while.
3b (I think!)
HGs - Suave Nexxus Knockoff, Jessicurl Weekly DT, L'Oreal Out of Bed, HESMU.
http://public.fotki.com/CurlyGlamourGirlie
http://curlyglamourgirlie.blogspot.com