Not trying to start the smoking and driving argument, but the fact you said that you "get it" means you acknowledge that it is dangerous. You partake in an objectively dangerous activity for yourself, and more importantly, others so you can have more "fun" at Target. That constant need to seek "fun" (which in reality is just the dopamine response to smoking) is exactly the problem. Of course how strong the compulsions are to fulfill that desire will determine how negatively it affects your life, which vary person to person, and are almost impossible to accurately assess without an external perspective because of internal bias. That's why it's important to bring this up in these types of discussions; some people have no idea that they actually are that addicted to cannabis.