The "Zq’a cisxtj ggyqy’ edavr. Azqv aykt kzqwe bz wzadp, M’e mkeysxtj tjaco sx tqx. Nmeb osf’f mgij fmwp zuu elsf. Ptw zqio’w tuo prggos ek ub tw." text is a vigenere cipher, with "Smile" being the key. It outputs "He’s really comin’ along. When push comes to shove, I’m actually proud of him. Just don’t ever tell him that. His head’s big enough as it is.". I don't know what this means.