What does it mean when a guy says "no worries" after the date?

lutKo-moja
so I went on a date last Tuesday with a male dancer . he's so sweet and nice he even picked me up from my house and we went back to is place to watch a movie he has to leave on tour the next day which which I was OK with its is job. and he even smoked 1 weed joint he asked me if I smoke anything and I said no and he was like the only think I smoke is weed I did not mind . he even give me a tour of is house. and when he was done is joint he move right next to me like glue haha. he even showed me is dancer pictures. and he even cuddle with me when I was cold he put is arm around me and even share blanket with me and moved is arm close to me. when he took me home I thanked him t and told him I had a great time that's for everything and he said to me no oh and I would like to know if I should text him back or would like to know if this was a good date!worries what does that mean ? he even want for me to get into my house so then I text him good night and thanks for the keeping me warm and he text me back the same night saying have a good night happy face.
What does it mean when a guy says "no worries" after the date?
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