To complain is always nonacceptance of what is. It invariably carries an unconscious negative charge. When you complain, you make yourself into a victim. When you speak out, you are in your power. So change the situation by taking action or by speaking out if necessary or possible; leave the situation or accept it. All else is madness.
Wherever you are, be there totally. If you find your here and now intolerable and it makes you unhappy, you have three options: remove yourself from the situation, change it, or accept it totally. If you want to take responsibility for your life, you must choose one of those three options, and you must choose now. Then accept the consequences.
In the stillness of your presence, you can feel your own formless and timeless reality as the unmanifested life that animates your physical form. You can then feel the same life deep within every other human and every other creature. You look beyond the veil of form and separation. This is the realization of oneness. This is love.