Easy for noobs choose one that will sound right:
(with this objective) or (too) or (however) or (thus) or (frequently)

However.

Explanation:

The first sentence provides good effects. But, the sentences after it provides some of the negative effects of electronics. Because of the change of thought, you would use a word that shows the difference between the sentences. "However," is a good transition that changes the what the reader views.

love, how my life is right now. you can be loved and can love others. sometimes you dont feel loved right now, dont worry, someone out there is loving you while you are away.

two factors or characteristics of a chapter that might make it difficult to read would be words i don't understand, or if i don't fully understand what's going on in the chapter. strategies i can use to get through the difficult material would be a dictionary, and re-reading previous chapters to get a better grasp of what the author is trying to say.