Count me among the converts to bilateral breathing. I've been reconstructing my stroke since December 2010 using the Triathlon Swimming Made Easy book and had been breathing every fourth stroke for months. As I progressed in distance and speed on my intervals, that feeling of breathlessness and need to stop increased much to my frustration.
Yesterday, I had a 1000m time trial as part of my regular training and was very nervous about what my number would be. I warmed up with bilateral breathing and, reasoning that I would stuggle to make the full distance at a 4stroke breathing rate, decided to give it a go.
I had an awesome swim and was very surprised at my time. Much better than I anticipated. This gives me much needed confidence heading into some upcoming Olympic distance races and was hopefully a breakthrough swim!