Relapse And Am Really Gutted

i have been clean for five years have a smoke now and again ,but over the last 3 days i have dabbled with crack ,don't ask me why ,it grabs hold of you so quick,quicker than you can imagine 24 hours is all it take , I got married have 3 great kids now i risk losing everything what for??????,listen guys 6months is a mile stone but you have to realise that that is just the start of the journey, mydaughter has down syndrome i even have a job in the care sector i thought it could never tempt me again but i have been stupid and naive,but i done it once i can do it again ,and if anyone really needs the truth of what staying clean is like just ask ,i wont tell you half truths.