It's hard to say for certain whether their love stories will be successful or if they will encounter problems. Love can be unpredictable and every relationship is unique. However, it's important to remember that relationships require effort, communication, and understanding from both parties involved.
If the friends are committed to making their relationships work, they can overcome any obstacles that come their way. However, it's also possible that they may face challenges due to differences in personalities, goals, or lifestyles. It's important for them to be open and honest with each other, and to work through any issues that arise.
Ultimately, the success of their love stories will depend on the individuals involved and their willingness to navigate the ups and downs that come with being in a relationship.