It means: What does he have when it is very cold
Or: What does he carry when it is very cold
Or: What is wrong with him when it is very cold
It should be hace mucho calor, meaning it is very hot (weather)
¿Que llevas cuando hace frío -- hace calor? What do you take with you when it's cold -- When it's hot? Literally: What you take when make cold -- make hot?
"How are you when it's sunny?"
How long is youe penis
In what season is it very cold?
What do you like to do , when is cold.
"What do you like to do when it's sunny?"
"Mucho tiempo no se de ti" translates to "Long time no see you" in English.
te quiero mucho
it means, "Nice! I love it when you speak spanish."
In this case, I believe you mean "we were finished (ended) a long time ago". That would be "Nos terminamos hace mucho tiempo".
i believe it means 'i want to see you all the time,' but im an English speaker learning spanish so you may want to recheck that!