what makes a person toxic?

Sometimes it's subtle. They have small ways of putting you down, that isn't very obvious. Negative about everything. After a while you realize that you're always on your guard around this person, and you feel tired just being in their presence.

A self centered, self absorbed person who lives their life without regard to other people's feelings and needs.

many things. Constantly whining and playing a victim all the time on others is one them.

They're manipulative and scheming 😈

it comes out in many ways but you can tell how they handle stress, how they handle people, how they handle situations. you will feel the life sucked out of you

Selfishness, deception and the ways these manifest

Negativity. Self-absorbed. No compassion..etc..

they make you feel worse after you interacted with them

Poison

IDK, that word makes me cringe when applied to another human. Maybe people just apply it to whom they choose subjectively?

Britney

being highly narcissistic

They bring nothing good to the table.

The way they treat a person.