What recurring questions does the poet mention in the poem, "O Me! O Life!"?

The poet mentions 'empty and useless years' to express regret, disappointment, and dissatisfaction with the times that have been wasted. Despite his efforts and struggles, he has failed and made mistakes during those times.

According to the poet, reading a book can give us new ideas and make us imaginative. Books can take us away from reality to an imaginary world. A book is similar to a magic box, which can surprise us with different things. And most importantly, books can become our best friend.

By reading books, we can understand the world around us better. It broadens our outlook and enlightens our mind. Moreover, it enhances our creative ability and develops our communication skill.

The three women referred to in the poem are the speaker's mother in the young age, the speaker's mother in the old age, and the speaker herself. The first mother was active, capable and self-dependent. She did everything she could for her daughter. The speaker was totally dependent on her. But then, the mother grew old and became dependent on the speaker.

When Mary went to bring the cattle home, the weather was very rough. There was wild western wind filled with mist and foam from the sea, and the western tide was rising along the shore.

The poet calls time an old gipsy man as it has similarities with the gipsies. The gipsies wander from one place to another. Similarly, time goes on. It travels from one city to another and one age to another like an old gipsy man.