can you (more than just a hallucination) take someones energy

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can you (more than just a hallucination) take someones energy and claim yourself as a bystander (if not a controller) of their perception, very closely observing said subjects decisions, feelings, and thoughts?

one thing I try is positioning myself as the other person and trying to not so much connect my energy with theirs, but just closely observe it. so as to see what they are seeing, feel what they are feeling.

my girl has a natural ability for this, but can go as far as peoples emotions, and healing their negative energy. all the more reason to try to learn this "ability", if you will.

i notice it's easier to feel where spirits are and it's easier to read what other energies are around, i just want to know how far it can take me and what other steps I should follow to achieve being able to read people, without seeing their facial expressions or have any physical cues (vibe-catching)