We have seen how a sudden injury creates vacuum in the team. It is important that players like SN continue performing at their very best, that means keeping the effort to maximum to the level he is generally known for. Besides a ton is a ton and although his team lost he won the MOM which should be praised without any hesitation.
Human mind has all the power, when your mind is grind grit wins the battle. Go Bangladesh. Be the world number one in Test Ranking.