Seriously, I'm not Gay

Jackson has been waiting for his 18th birthday ever since his dad told him that's when he would find his mate. The other half of his soul. Even though Jackson Is 6'6 with wide-set shoulders and roping hard earned muscle, he is still a romantic and cannot wait to finally meet the love of his life. He is also the future Alpha of his fathers pack and needs a Luna more than anything else in the world.
Dylan is Jacksons Beta, and also happens to be a sarcastic, playful, idiot, who just can't seem to figure out when to keep his mouth shut. He has been searching for his mate for 6 months, and although he puts on a brave face, he is starting to worry that he doesn't even have a mate.
What happens when at 12:05 am, These boys met for the first time while they are both 18 and discover that they are mates even though they are both entirely heterosexual and best friends. How do these boys cope with their sudden and unprecedented attraction, as well as deal with Dylan's first heat on the horizon?