Whining while talking about whining? Quite a trick.
If that happens, he (and many of his supporters) will become the most hated people on the right for a generation. If Cruz does not stop his cooperation with the GOPe he is toast. Now, and in the future when he has to rerun for the Senate. His career will be over, and he will be a useless discard.
Good luck going forward with that on your shoulders.