According to Paul, every day he faces challenges and sacrifices because he follows Jesus, but he feels happy because Jesus is with him. Paul wants others to know that living for Jesus means giving up some things, but it's worth it because of the joy Jesus brings.
1 Corinthians 15:31: I protest by your rejoicing which I have in Christ Jesus our Lord, I die daily. [your: some read, our]
This verse encourages taking up one's cross daily, which aligns more with spiritual sacrifice rather than the boasting about dying daily as seen in 1 Corinthians 15:31.
Luke 9:23: And he said to [them] all, If any [man] will come after me, let him deny himself, and take up his cross daily, and follow me.