tell you what though lee ,could well be stress bud,i.e your dads illness?my little lad was born @ 490 grams,less than a pound ,was ok through the birth,ces,but after 2 days i felt like i couldn,t breath mate

p.s hope your dads ok now
my dads just got the all clear on cancer(15 months) and mum goes and gets breast cancer
one thing after another dude