Based on the context and the answer, generate a question. 

Context: For whatever reason , Ennis had changed , and Jack was excited to be the recipient of his new feelings . Still , a small part of Jack remained guarded . Ennis 's history required a bit of self - preservation , and Jack could n't help that . It hurt , but it was necessary .

Answer:

Jack likes Ennis and now he thinks Ennis likes him .



Why would Jack be excited the Ennis changed ?