Please need serious football/futsal tips

Context: I’m bad at football and before today, I haven’t played in ages , was still bad before and as a CB too. Today I went to play football with school people and others.

My first football in ages and I played absolutely horrible. I conceded many goals in goal, got nutmegged from a slow pass towards me etc. I also felt quite useless on the pitch, I didn’t get the ball passed to me and didn’t call for it either as I was scared. The times the ball came to me I either panicked and kicked it somewhere or got tackled instantly.. while defending most times the ball got past me and even when I did defend I couldn’t retrieve the ball. Honestly I get so horrible today. Especially as one of the opposition told me to not come again, however I’m determined to come again and show them.

Note: days before I’ve been watching tons of YouTube tips, but I felt I weren’t applying them well. The weather was also absolutely cold, couldn’t feel my face or hands.

Any tips?