But that's a little too rich and involved for my blood. 

The second it gets listed, the blood is in the water and everyone and their brother will come out of the woodwork.  

@Jordan Shapiro and@Gyl ChinBeware: sharks smell blood. 

Sometimes it is like studying for a blood test.

I am very ambitious and ready to put the blood sweat and tears in.

and that just may not be the case just words spoken in anger, so let it ride for a bit.  2) If in fact someone is leaving I honestly don't believe telling them they are both responsible for rent and holding to it is going to help in anyway, (blood from a stone)  You CAN however remind them that they are both responsible, but give them an alternative to make alternative payment arraignments (collect from each party separately) or leave quickly if there is no chance of reconciliation.  

There were blood stains on the wall which really scared us. 

If you are someone who is looking for a motivated partner, who is willing to put their time, blood, sweat, and tears into Real Estate Investing, I'm your guy.

At this point, you've put so much blood and sweat into it already that to give up the truck is nearly inconceivable.

You can't get blood from a turnip.