Is a patient happy when his disease goes into remission?

Yes, a patient is usually happy or relieved when his disease goes into remission.

Remission is a period when the symptoms of a disease disappear or become less severe. It can be a temporary or permanent condition. For patients with chronic or severe diseases, remission can mean an improvement in their quality of life, ability to carry out daily activities, reduced pain or discomfort, and the potential for a longer life expectancy.