Don't buy illegal sex drugs.
You can see a doctor and he will give you a prescription to buy the drugs. But you must not be on any medication that is not compatible with the drug. So tell him all the medicine you are taking.
Don't go around stealing panties or doing anything that is illegal.
You can buy panties from prostitutes. Haha, if you want the panties to have a stronger smell you can ask the prostitutes to wear them for a few days first. I think many men are interested in women's panties, but most will grow out of it when they grow older or their interest will diminish.