Complex sentence: Ever the idealist, he never gives up on educating and enlightening the duo no matter how disastrous his attempts to do so turnare his efforts with the two always total failures, they laugh at him and are completely oblivious to his genuine concern for them.
Split into simpler sentences: Ever the idealist, he never gives up on educating and enlightening the duo no matter how disastrous his attempts to do so turn out. But not only are his efforts with the two always total failures, they laugh at him and are completely oblivious to his genuine concern for them.