You can tell by mood swings, changes in behavior, darkening of lips and or fingertips, and breath smell.
nothing
No.
This is a personal thing this is something that is based on your experience not someone else.
In my opinion no someone going to cheat regardless if they are doing drugs or not, it may influence them more but some people know there limit on cheating and some don't
you tell her no more of that tell her to stay awaay from that boy let her know your the man of the house
You know your a drug user when you do the drugs
You know your kids are on drugs because drugs cause predictable and recognizable changes in their personalities.
If you have had a relationship with someone on drugs after an overdose, seek medical attention.
If it's illegal drugs: the police.
Yes, they do. At least if they think that someone may have drugs or a weapon in there locker. Otherwise I dont know.
You should use a urine test, it will reveal if the drugs are in their system.
you say thank you because drugs are expensive