The lyrics of "I'm Used To That" by Horse Head convey a sense of familiarity and resignation towards certain experiences and emotions. The song explores themes of being taken for granted, feeling used, and being accustomed to such treatment. The repetition of the phrase "I'm used to that" emphasizes the singer's acceptance and expectation of these circumstances. They have become so accustomed to being used and undervalued that it has become a normal part of their life. The lines "Use me like a knife to cut through me" and "Find me in the darkest places, use me as" suggest that the person being referred to is being utilized and taken advantage of by others. It portrays a feeling of being used as a tool for someone else's benefit, even in the darkest and most vulnerable situations. The line "The one that got away, like how true is that?" hints at the idea of someone being left behind or not fully appreciated, despite their willingness to sacrifice and be there for someone else. It questions the genuine nature of the relationship and highlights the singer's disappointed acceptance of this pattern. The refrain "Feel me like baby, I'm so true to it" signifies the deep emotional connection and devotion the singer has towards the person they are addressing. They express their willingness to give everything, even their life, for the other person. However, the following lines reveal that the recipient of this affection does not reciprocate or know what to do with it. This further contributes to the feeling of being used and unappreciated, which the singer has become accustomed to. Overall, "I'm Used To That" conveys a sense of resignation and acceptance towards being used and undervalued by others. The lyrics reflect the singer's familiarity with these experiences and their willingness to give everything for someone who may not fully appreciate them.