If A Women 55 Weight 200lb And 5'.6''. Average 3-4

if a women 55 weight 200lb and 5'.6''. Average 3-4 drinks mix wine and spirts 40%. i have legal issues and need to come clean. I also dont eat well.lots fatty foods and smoke daily other forms of cigarettes...you understand. can i be clean for test in july if i stop now....going to be hard But let me know if they can detect liver damage or do i need to extend my court date further in future to show normal liver enzyme test?