alex thought of leena and knew that she was n't just pretty , she was very pretty , at least to alex , and the idea of anyone bothering clean , polite , and beautiful leena brought on strong feelings of anger within her `` i swear , julio , if any of them so much as breathe a hint of harm on leena ever again i 'll use their heads as batting practice in baseball , '' alex said in subdued tones as she tried to control her seething lava-like feelings .