It's simple to employ a friend or acquaintance as a substitute for your spouse in long-distance relationships. But just because your boyfriend or girlfriend isn't with you at the time doesn't make emotional or physical infidelity acceptable. In fact, it may even be illegal in some states. The best option is to have a frank conversation with your partner about what you expect from them in a relationship. Explain that you don't feel comfortable being left alone when you need him or her most and ask if there is anything else you should know before you meet up next time. If your friend or acquaintance is willing to act as your surrogate spouse, they will need to understand that this role comes with certain responsibilities, including but not limited to: attending medical appointments, providing financial support, and acting as a second set of eyes during times of trouble or danger. If you don't want them to do any of these things then they shouldn't assume the role of a surrogate spouse. Surrogacy can be an effective tool for couples in long-distance relationships to stay together. It provides someone who cares about you out of town with a chance to show their love and support by stepping into the role of your spouse. However, surrogacy cannot replace the need for communication and trust between partners.