You cannot artificially stop the functioning of the senses but if you engage the senses in the service of the Lord, to please the Lord, then you will become very happy.
We get purified when we take anxiety for God’s service.
Do your best to serve Krishna and He will give you required intelligence to cope with disturbing situations.
One should try to serve the Supreme Personality of Godhead by fully surrendering at His lotus feet. If one engages for the service of the Lord whatever money one has honestly earned, that is spiritual service to the Supreme Personality of Godhead, the spiritual master and the Vaishnavas.