He likely had to deny himself many things that would consume his time and attention, limiting how much he could train.
فَٱسْتِعْدَادُهُ أَنْ يَكُونَ مُمَيَّزًا عَنْ رِفَاقِهِ أَتَاحَ لَهُ أَنْ يَتَدَرَّبَ أَكْثَرَ وَيَبْلُغَ هَدَفَهُ .‏