Good faith generally involves honest, fair, and trustworthy dealings in contractual business relationships and agreements. This guide to Contract Law explains concepts around contracts clearly and concisely, in an informal style and for ease of reading and understanding.Dealing with a breach of contract in Houston? Our dedicated attorney can help protect your rights and find a resolution. Every contract imposes upon each party a duty of good faith and fair dealing in its performance and enforcement. A good faith agreement is a covenant between two parties that promises that neither will do anything to damage the other's right to receive contract benefits. Express or implied terms to act in good faith. In the Texan legal saga, both written and oral contracts have their roles. A duty of good faith and fair dealing may arise out of the parties' contract, or a court could impose such a duty as a matter of tort law. Even if a written contract is not required, it is always a good idea to have a written agreement.