Here, the speaker admits to believing lies even when part of them suspects the truth. What hurts most is who is telling them: the people the speaker loves. That betrayal makes the whole world feel unreliable, and the questions pile up, "Who can I trust anymore" and "Does every person have to be fake."
The feeling is a mix of confusion, hurt and growing numbness. Early on the speaker sounds almost resigned, letting the lies into "my head / And into my heart" despite knowing better. By the end, the tone has shifted to exhaustion: "I don't love anything anymore." The closing lines hold the poem's sharpest idea, that people lie "in order to be loved." The speaker can't make sense of a world where love seems to depend on pretending.
The language is plain and the lines are short, which makes the poem feel raw and unpolished, like someone thinking out loud. The mood is sad, bewildered and lonely.