Many people say something like this about drugs, but it does not seem philosophically or logically sound to me. When you have coffee in the morning and have som

Many people say something like this about drugs, but it does not seem philosophically or logically sound to me. When you have coffee in the morning and have some increased mood from it does that make the whole day invalid? When you go a run and you body produces enjoyable neurochemicals in your brain, just like taking a drug, is that real? All experiences are just as real and valid regardless of what contributed to creating the experience - if you think otherwise then it seems very hard to justify such an opinion with consistent and sound logic