Whatever the cause of issues between your friend and your partner may be, when the dynamics of a close friendship change, it can be hard on everyone involved. If your friendship is strong and you’re willing to communicate and address the issue, then your friend and you will find a way to work things out.
Source: My friends don’t like my boyfriend or girlfriend : The Facts @ ReachOut.com USA
image: Best Friends by Deornelas4 under Creative Commons license