It is important to note that contracts such as agreements should not be in writing, unless they relate to transactions that last real estate, marriages or more than a year, depending on the state. However, it is best to get written contracts so that you can go to court if a party does not comply with their obligations. An agreement may simply consist of one party accepting another party`s offer. As this scenario does not involve consideration, it is not a contract. Other common examples of agreements that are not contracts are gentlemen`s agreements and unauthorized betting pools. The key element of all non-contractual agreements is that they are legally unenforceable. Meehika and Rahul decided together to go to dinner on Friday night. But when the day came, Rahul had to work overtime and couldn`t meet Meehika. Meehika wasted precious time.