Finding hard to hold the threads of the relation you share with your male best friend and your boyfriend? Does your boyfriend gets irked when you talk about your best friend ? Is your male bestie jealous of your relation? Do you fight every two days over the issue of male bestie?
If yes, you need to draw a line.
Some girls actually make us go aww by the way they handle their friend zones and relation goals. They actually need to thank their stars for either giving them a way too understanding bf or way less demanding male bestie. 
If you love company and friends make sure you make a narrow escape from the relationship syndrome . However you are living in your own fairytale take all the ride with your prince, not giving a damn to your friends.
The challenge comes when you wish to manage both the circles. Coming into a relation post male bestie existence might be adventurous for you. Sarcastically though! All you need to do is keep a check on your thoughts and action. No relation tolerate interferences of the outsiders no matter how much close the outsider is to the partner.
Make sure your male bestie keeps out of your personal matters.
Dare not to turn your relation talks into gossip with your male bestie. Boys have links and one of the link might have bond with your boyfriend as well! Stop being a big mouth to your relation.
Try not to drop your plans with him because your bestie is demanding.
Chuck out if your bestie is trying to take a toll on your relation.
When it comes to obeying your friendship make sure your boyfriend knows about it all. Doing things under his nose would definetely bother him about your link with your old male bestie.
And if  your male bestie and bf can become buddies, then girl you ll have a whale of time! No fights, no suspension, no restrictions! Your bf know your bestie well and vice versa so less time goes in justifications and explaination.
Try and give more time to your relation for a new chapter of your life needs more understanding than the old ones!
Things not said are equvilant to a lie! Make sure your bf and your male bestie knows the type of relation you share with each one of them . It should be all black and white. A scope confusion and doubt might lead to unwanting situations.
So girls, keep calm and love your partner and your friends but with care!