to lean against; to lean on; to recline on; to lie heavy (on the stomach); to be uneasily digested
to lean on; to recline on; to rely on; to depend on
to lean (something) against; to set against; to prop up against
to lean against; to set against
to lean against each other; to rely on each other; to depend on each other; to scratch each other's backs
relying on each each; looking after each other