The answer is: Seven days

Job 2:13 - Seven days was the usual time of mourning. Perhaps they joined him in this period, not that they stayed in one posture for the entire seven days.

In Job 2:13, when Job's friends arrived, their silent companionship during a week of mourning speaks volumes about friendship and grief. Sitting with Job in silence for seven days wasn't just a traditional gesture; it was their way of honoring him and acknowledging his suffering. The number seven in scripture often symbolizes completion and wholeness. Think about it—creation was completed in seven days, and rituals were performed over the same span of time when someone was grieving. It provided a complete cycle for mourning.

Here’s an interesting note: In various ancient cultures, including Jewish traditions, the practice of silent mourning was prevalent. It demonstrated humility and compassion, emphasizing that sometimes words aren’t necessary. Reading aloud in the context of Job, it highlights that empathy isn't always expressed through speech.

Moreover, this section sets up a stark contrast to what follows. When those seven days pass, the conversations take a turn, and rather than remaining supportive, Job’s friends launch into a string of arguments aimed at theorizing the cause of his misfortunes. It's a reminder that while intentions may be good, sometimes trying to interpret someone else's pain can backfire dramatically.

Through this study, one may reflect not only on the nature of friendship but also on the nuances of understanding grief. In essence, the silence is powerful and absorbs volumes of unspoken words. It’s a crucial takeaway—being present in suffering can be the strongest expression of love and solidarity.