Go on vacation... for a LONG TIME

OK.. today was a great day, got to hang out with my niece and nephew... they are little baby's! It was great, played, changed diapers(ewww!) rocked..As overwhelming as baby's can be it was easier then..I think! Such a change when I get home. I come home to attitudes... from both kids. The older is not doing well in school, and really doesn't seem to care. Wants to drop out and get a GED.. NO WAY is that going to happen. Nothing I do is right, hate and lack or respect ooze out of this one. And I was told that I am not respected as well. But then asks me to drive them somewhere?? Hello? The other one has temper tantrums and yells to get out of doing anything, and when bothered by the other one. So that child was sent to their room for the night, and went oh so easy.. not! So as a parent what do you do? Do you say fine, screw your life up..I am done and can't do this.. or continue in an endless battle that never goes anywhere and things stay the same. And makes you want to go on vacation for a long time, alone!