I'm 174lb and im 21 year old I havd a 2 yr old n a 4 mo and I need to loose waight fast its affacting my marriage how can I loose it fast now.?

Professional Wt. Los. Unless it is done professionally fast weight loss(crash diet) is not recommended. My recommendation is check with a professional that can put on a low calorie diet under frequent supervision and you will be able to loose weight fast in a healthy manner.