I’d say to pray daily for him and especially for your times together. Feeling a bit uncertain is good in that it encourages dependence on the Holy Spirit, which is exactly what you need when sharing the gospel.

Rapper Shai Linne has produced a masterful musical biography of Spurgeon. I love it, and I love that people from different countries and different times and with different styles of communicating can be one in Christ and elevate the Word of God.  

Do you have five minutes to sit back and listen to a song and watch an animation about the gospel? I’ve listened to it a couple times and it moved me to worship our God of grace.