It was having very real, very serious negative impacts on my health.
It's an addictive drug with negative health implications and a withdrawal syndrome.
Negative effects: lung dysfunction, brain dysfunction, poor sleep/REM suppression, inability to remember what "normal" is when you're high and a lack of awareness of the negative effects until discontinuation.
Withdrawal syndrome: low mood/depression/irritability, insomnia, lack of appetite, brain fog/slowed thinking.
Additionally research has now shown that chronic daily use leads to permanent brain damage in the form of reduced reasoning ability.
It's a parasitic plant that diverts your motivation towards its own preservation and propagation. You fall in love with it while it takes away your ability to realise what's happening.