Genesis 2:23-24 KJV
23 And Adam said, This is now bone of my bones, and flesh of my flesh: she shall be called Woman, because she was taken out of Man. 24 Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.
How you spend your time and money shows where your priorities are. When you married, you became "one flesh" with your spouse. That means that you need to show that importance by spending time with your spouse and taking care of his needs.
Your spouse needs to take priority (after God, of course) over your children or anything else. Your children will one day grow up and leave, but your spouse is there for a lifetime commitment. You will be showing love and care to your children by loving and caring for your spouse. Children feel loved and secure in homes where parents love each other.
Don't deny the one flesh relationship!