What are four of the qualities required for a healthy relationship
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Assuming there’s no qualities to choose from your best bets are trust, dependability, acceptance, and love.

Explanation: Trust: trusting your friend is important, without trust you won’t be able to depend on your friend. (which goes into the next trait) Dependability is when u can depend on someone, similar to trust but this can be from anything to how you can depend on them to kind or loving. Acceptance is when you will accept your friend for who they are and love them no matter what, which goes into love, quite self explanatory.

i don't know the answer to this

answer; product market;