People abuse substances to try to escape their emotions. Drinking or using drugs can offer temporary release but comes with a hefty price. Abuse and addiction can destroy every good thing in someone's life to the extent where all that's left is them and their substances of abuse. Drugs and alcohol numbs their emotions that they hardly feel anything anymore.
But when they’re in addiction recovery and no longer abuse substances to conceal their emotions, they experience a perception shift that may result in an emotional rollercoaster. It may take a little getting used to, to manage emotions and lead a happy life