RE:THRMFirst, not sure if you are serious or not. But if you are,
Second, it is not something I, or a responsible family man would do. But, if you must do it then,
Third, just diversify: 1/2 THRM and 1/2 QSC (MEDV) or, 1/3 THRM, 1/3 QSC (MEDV), 1/3 UEX.
Fourth, all the best to you whichever choice you make.