Android is a mobile operating system owned by one of the 3 largest tech companies in the world.
Ubuntu is an alternate desktop OS for users of x86 systems that can’t pay a licence, want to bring new life to old hardware or just want to use something other than Windows or MacOS.
Take your time, and try to focus on yourself. It’s normal to feel uneven when someone/something that’s meaningful for you suddently (or forcefully) goes away.
And not because you broke up with that person it means you cannot reamain friends.
But right now you got to get on your feet. (unless you have a cat over your chest, in that case do not move).