Sayyiduna Ibn Abbas (may Allah be pleased with them both) used to say: Halting at al-Muhassab is nothing (of special religious significance). The Messenger of Allah (peace and blessings be upon him) only waited there so that Sayyidah Aishah (may Allah be pleased with her) could come.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11234