Complex sentence: He responds to the more experienced Doyler with friendship, which turns to love-possibly even desire, but recoils from Doyler's movements towards intimacy; he would love to kiss his friend, but cannot.
Split into simpler sentences: He responds to the more experienced Doyler with friendship, which turns to love, but recoils from Doyler's movements towards intimacy. He would love to kiss his friend, but cannot.