"blood runs thicker" than water, to complete the phrase, really clever play on words suggesting they're like brothers..
thick as thieves is just a common phrase for good friends "oh them two they're thick as thieves"
"blood runs thicker" than water, to complete the phrase, really clever play on words suggesting they're like brothers..
thick as thieves is just a common phrase for good friends "oh them two they're thick as thieves"