The speaker and the 'mother' in the given dialogue are most likely related as family members, possibly as a parent and child. The speaker's use of the term "Mother" suggests a familiar and intimate relationship with the person they are addressing.

**The Child's Feelings:**
Upon hearing these words, the child must have felt a mix of emotions, including confusion, sadness, and possibly even humiliation. Being addressed in such a harsh and judgmental manner must have been deeply hurtful for the child. They might have felt misunderstood and unfairly judged by the speaker.

The child might have also felt a sense of helplessness and sadness, as the speaker's words imply that they are in a state of extreme distress. The mention of suicide adds a grave and serious undertone to the situation, which could have further intensified the child's emotional response.

**Impact of the Words:**
The words spoken by the speaker could have a lasting impact on the child's self-esteem and mental well-being. Being accused of appearing on the brink of suicide suggests that the child's emotional state is not being adequately understood or addressed by those around them.

The child might feel even more isolated and misunderstood, which could exacerbate any existing feelings of depression or sadness. Additionally, the child may internalize the negative remarks and begin to believe that there is something inherently wrong with them, further perpetuating negative self-perception.

**Possible Explanations for the Speaker's Words:**
Without further context, it is difficult to determine the exact reasons behind the speaker's words. However, it is possible that the speaker is expressing concern for the child's well-being but using inappropriate and insensitive language to convey it. They may be unaware of the impact their words could have on the child's mental state.

It is also possible that the speaker has a history of using harsh language or lacks empathy, which could contribute to their insensitive remarks. Alternatively, the speaker may be dealing with their own emotional challenges and projecting their frustrations onto the child.

Overall, the child must have felt deeply hurt and misunderstood upon hearing these words. It is important for the 'mother' or any other responsible adult to address the child's emotions with empathy, support, and understanding, ensuring that they feel safe and valued.