This persuasive essay should be written in APA format. An abstract is not required. The essay should have the following elements:
• an engaging introductory paragraph. You might even want to cite sources in the opening paragraph to make your opening engaging to the reader.
• an effective and clear thesis statement
• a statement of definitions and background on the topic on which you are writing. o You will want to define any terms necessary for the reader.
o You may want to provide a historical background on your topic.
• unified, supported, and coherent body paragraphs that defend the thesis
• sources cited throughout the body paragraphs that support the arguments in the paper
• an effective conclusion
• a “references” page that lists the sources cited. The references should be listed in APA format.

The sources and citation format for this essay
You are required to use at least six sources for this essay.
At least four sources must be acquired through the databases subscribed to by UMUC’s Information and Library Services. In addition, at least three sources are to come from scholarly journals.
Keep in mind that if the sources are scholarly, the argument you make in the paper will be more persuasive. For this reason, feel free to use all scholarly sources if you can.
In addition, please feel free to cite more than six sources. You may find that seven or eight sources (or more) are necessary to establish your argument and defend your thesis. Please do not feel limited to using only six sources. Use more if you would like to or need to.
Please cite your sources and list them at the end of your paper using APA format.
Below are some of my starting points

Thesis:
Sex after marriage has a steep decline
Supporting Point 1.
Most couples after marriage experience a sudden decline in the frequency of sex after marriage
For many people life sets in careers take and fatigue set in losing the importance of being intimate with your partner
Supporting Point 2.
Reasons for Sexual decline
Body changes rather it be weight gain or hormonal imbalances some people become uncomfortable with their bodies especially after child birth.
Supporting Point 3.
Routine or complacency
As with most things in life people become numb to the same thing every day.  The spice of life, and wild adventures of single life have come to stand still, forgetting you can still have fun and do new and exciting things to keep you fire alive in the sex department.

This link is a good place to start…
http://www.huffingtonpost.com/2012/04/13/marriage-sex_n_1422644.html