mum of cystic fibrosis child daughter of lung cancer victim

i am 46 yrs old have been smoking since 11 lost my dad to lungand osephagus cancer and have a cystic fibrosis 11yr old i am also asthmatic  and spend weeks at a time in the childrens respiratory clinic where kids are struggling to breathe through no fault of their own..i never smoke near my son but am finally ready to quit for good .i have tried and failed a few times over the last year but tomorrow is MY DAY! i know i can do this ....