I have mono how should i treat it?

i had symptoms last week but right now i feel fine and taking it easy. do you think i can go to the beach tomorrow and just lay out? also how should i treat this. i know fluids fruits vegetables not sugars i know. but what else . and do u think my test could of been a false positive because i feel fine? i going to take t easy untill i get tested again next week. but as of saying i do have mono can i go to the beach?