Being understood can be as unsettling as being ignored, and "Two" sits in exactly that discomfort. The speaker has put real effort into building defences, yet one person reads their moods without being told. The whole poem is a single puzzled question. How does this person do it, and why can the speaker talk to them but not to their own family? The poem ends on a guess rather than an answer, "Are we two of a kind?", and that restraint is a large part of why it feels honest.
The form is plain. There is no rhyme and no regular metre, just short, mostly end-stopped lines that sound like someone thinking aloud. "So well?" hangs on its own line like an afterthought, as if the speaker is still catching their breath. The poem is built from questions, and most of them begin with the helpless "How": "How is it that you know me?", "How do you see?", "How can I talk to you". Even the one imagined quotation, "How do I conquer this?", is a question, though it belongs to other people. The poem never names the "you", who could be a friend, a partner or someone else. That vagueness lets the feeling stand in the foreground and invites readers to fill the space with their own person.
Repetition does much of the work. The opening triplet, "You know when I'm happy. / You know when I'm hurting. / You know when I'm angry.", gives the emotions equal weight and equal bluntness, as though nothing about the speaker is hidden from this person. Then comes a small word that keeps returning: "just". The speaker is read "just by looking", the walls are passed through "just", sidestepped "just", and finally, "You just walk around." Four times the word stresses how little effort the other person needs. For someone who "built them strong", that effortlessness is both astonishing and slightly galling.
The central image is the wall, and the poem handles it with unusual care. First the speaker boasts: "Unbreakable, or close enough." The hedge in "or close enough" quietly admits the defence was never perfect. Then the abrupt fragment "Not see-through" sounds like a defensive snap, a reminder that these walls were meant to hide things. The verbs that follow shift step by step. The other person sees "past" the walls, then passes "through" them, then "sidesteps" them, then "walks around". Each verb makes the wall less important until it is only an obstacle in the way of nothing. The word "conquer" matters here. It turns everyone else into besiegers who treat the speaker as a fortress to be taken. The trusted person does not attack at all, and the poem implies that a wall can only be a defence against force. Someone who does not push cannot be kept out, and perhaps does not need to be.
The last third turns from wonder to something sadder. "Is it because we know each other? / We know what the other is going through?" suggests the connection comes from shared experience, though the poem does not say what that experience is, and I would not guess. What it does show is a contrast. The speaker can "talk to you about anything" but not to "my family", the people we expect to be closest. The line break after "But not my family?" leaves a short, awkward silence before the closing question. The title now carries two meanings: two people, and the hope of being "two of a kind", of not being alone in how one feels.
What makes the poem worth reading is how little it claims. It does not tell the speaker to tear down the walls or blame the family, and it does not pretend to know why one relationship opens up while another stays shut. It records a moment of surprised gratitude with a trace of grief in it. Many readers will know the feeling of having one person who gets through without a fight, and the poem suggests that being known may depend less on breaking defences than on finding someone who never tries to.