Complex sentence: Bobby credited his high school Geometry teacher, Mrs Bradley, with saving him from going down the same route as Matty and Paulie-later on in life he repaid the debt by helping euthanise her to die peacefully.
Split into simpler sentences: Bobby credited his high school geometry teacher, Mrs Bradley, with saving him from going down the same route as Matty and Paulie. Later in life he repaid the debt by helping euthanise her to die peacefully.