Yes, absolutely. A relationship can be repaired after someone cheats but there is a good chance that it would never truly get back to normal. But do you really want your relationship to return to what you perceived as being “normal”? Especially since “normal” was not working for that relationship before?
You want to improve your relationship after someone cheats. Cheating usually happens after a lack of something was found in the relationship or some sort of shortcoming. You need to find the reason behind the infidelity, repair it, and work at it, day in and day out. If you require more information, take a look at this article on GoMarry.com.