ate heart out (verb) agonize: suffer or cause another to suffer
Sinonime: alter,
alternate, be undecided, blow hot and cold, ebb and flow,
flutter, go up and down, hem and haw, hesitate,
oscillate, rise and fall, seesaw,
shift,
swing, undulate,
vary,
veer, vibrate,
wave, waver, yo-yo
Antonime: hold, persist, remain, stay