If the methods are carried out properly our relationship could flourish and the communication between us would be better than ever before. Direct reciprocity of sacrifice would generate a mutual feeling of love, kindness and respect towards the other person. In doing this the relationship would become stronger as each individual puts the other person first more frequently and trust builds. Operant conditioning would be more of a direct approach to the issue. In turn operant conditioning would train her to communicate more of how I would want her to. Which does seem inhumane. However, this would still increase the communication and boost the relationship.
A Disclaimer: I would never actually condition and manipulate my best friend. This is just one tactic that could help our communication issues and overall our