How addictive is heroin actually?

Heroin is highly addictive. Few people manage to control the use of the drug. The body quickly gets used to heroin. You then need more and more to still feel the desired effect of euphoria. It is striking that the withdrawal symptoms also occur very quickly; after only two or three weeks of use. A user feels sick, clammy and cold, perspires, has goosebumps, a runny nose, diarrhoea, abdominal cramps and muscle pain in arms and legs. These symptoms disappear when heroin is taken again. But the withdrawal symptoms only get worse every time. In addition, due to the euphoric and analgesic effect, a user continues to long for the drug. He/she puts everything aside and does everything (including stealing) just to be able to use. The mental dependence is especially great.