Oh yes, if I remember correctly, the constitution of the Texas state, a long-winded clusterfuck that rivals Atlas Shrugged, stated that if Texas didn't wanted to be a state anymore, it could split into seven new states, but not a new nation. Though take this with a pinch of salt.
And if Texas splits into seven, can I move to the state housing Austin, home and new stronghold to all the "Liberal commie pinko fags" that was of Texas?