I feel emotionally weak/ numb.

Everything to me mostly feels the same, I will have interest for a bit then its numb. Talking to people, gaming, movies etc things that bring out emotions I feel nothing to. I have experimented with a handful of drugs, smoked weed for years and off and on drank. Which I feel like came from feeling almost always detatched. Which makes being sober hard but being wasted doesn't help me much either. I feel like a robot most of the time. Any advice on getting out of this rut? I appreciate any tip. Because in tired of having faint motivation