I know with heroin drug test, if your clean and you have bread with poppy seeds on the top it comes back positive for heroin. I’m not to sure if there is anything simular to cocaine.
But I don’t want to say he is lying incase he is not. I guess your going to have to judge this for yourself. Obviously he could be lying and sounds like he is, well.. That’s what us addicts do. If he lives with you look for signs. Up all night, bed all day, drinking, not looking you in the eyes when talking to you, no money, asking for money for bills or something that doesn’t need paying.
I really don’t want to say he is lying because that’s wrong of me. How many times is he failing it?