I NEED ANSWERS ASAP

okay so this boy i really really like is asking me to hangout with him, but the problem is.. i don't know how to hang out rly with a guy. i've done it before and it's super awkward because i don't know what to do or to say. what are we gonna do anyways?! just sit on the sofa and do nothing?? i honestly don't know how to hangout with a guy. it's 1:23 atm and he can hang until 4:00 😫 someone pleaseeeeeee help. i get super nervous around people and anxious. what do i do?!