yeah im doing 15 this quarter (and yes pay per credit) and 20-25 for next 2 shouldnt be two bad though, ive done it before hehe

i get them on occasion when i'm in bed and doing some breathing exercises to relax my body, but yes i know exactly what you're on about - it's as if you get so relaxed that after you've exhaled, you forget to inhale and so your heart skips a beat when you crap yourself realising that you didnt breathe back in