It is normal for long-term couples to feel a sense of boredom creeping into their marriage. However, if your normally fun and spontaneous husband suddenly becomes boring, then it might be possible your husband is going through some inner turmoil. Communication is the key to a successful relationship. It is very important to tell your spouse how you feel and give them a safe space to express themselves. If it is plain and simple boredom, then there are many away to beat this situation. However, if it is something more serious, then it is best to seek professional help. One way or another boredom in a relationship should not be ignored.