Problem: How does the next paragraph end?

How to press pants 
Learn how to use your steam iron. 
Although the exact instructions on how to use an iron vary from model to model, the general concept is the same. First, fill the water reservoir before plugging it in to avoid any mishaps or electrical shocks.
A: Next, plug it in and select your desired settings. Give it a couple minutes to heat the water.

Problem: How does the next paragraph end?

How to hide your feelings from your crush (for girls ) 
Accept your feelings. 
You have a crush, which is normal and healthy, and you've decided you want to hide your feelings for now. Understandable! To hide your feelings, you need to stay calm around your crush.
A: To beat your anxiety, you first need to accept that being around them might make you nervous. Being nervous is a completely normal emotional reaction.

Problem: How does the next paragraph end?

How to frame a doorway 
Choose a door. 
Since doors come in so many different dimensions, you'll first have to decide the type of door you want to install. Most doors are going to be 30 " or 32 " wide and 80 " tall; however, this is far from universal.
A: Choosing a door will allow you to make all of the proper measurements for the doorway. If you haven't decided on an exact style of door, at least decide on an exact size, so you can get started on the doorway.

Problem: How does the next paragraph end?

How to treat a leaking heart valve 
Understand that the type of treatment will depend on the kind of valve leak that you have. The treatment of a leaky heart valve depends upon the severity of disease. 
For example : 
Aortic valve leak: in the case of an aortic valve leak, the severe leak can also be treated with blood pressure medicines known as vasodilators.
A:
Medications used for congestive failure-such as diuretics-are also very useful. Mitral valve leak: this type of leak usually causes no problems.