If they are realistic you will be more likely to treat them as absolute deadlines which must be met. Set some reasonable job searching goals for yourself. For example, set a goal to buy and read Guerrilla Tactics for Getting the Legal Job of Your Dreams by Kimm Alayne Walton. For one, it lessens the likelihood that you will feel resentful of the other things which compete for your time. Part of that resentment may be the result of poor time management.
Many students report that the key in finding their job was using their time wisely.
To draft a good cover letter, it is important to set aside some time when you can really concentrate on the project. A carefully planned course of action for job searching can make life more manageable and the process less arduous. Career Services is always available to help you in creating a course of action which is time efficient and manageable. If you feel that you are not spending your time effectively, whether it be job searching time or in other areas, I encourage you to come in and talk with one of us.