I'm not sure venting is helpful long term, it might decrease the pressure momentarily but if the source of the pressure is still cranking it out, you're just delaying the inevitable.
Why not see an IC? You've tried it your way it doesn't seem to be working? Try something different.
Me 57/H 58 M36 S 2.5yrs R 12/13
Let me give up the need to know why things happen as they do. I will never know and constant wondering is constant suffering. Caroline Myss