The same thing happens to me. One of the things I've noticed is that often men will view my profile, but I won't actually hear from then until a few days later. Sometimes after they've viewed my profile I will view theirs and if I'm interested I will like some of their pictures to indicate my interest. I've found that sometimes that's all the encouragement they need to initiate a conversation!
This may be an uncomfortable analogy, but think of the CM environment as being kind of like a party with a lot of people in attendance. It's likely you will get more than a few looks, but not every man who looks will actually approach you. Rather than hurting my self-esteem, I instead see it as a compliment that they took the time to look. But realize that the man probably read your profile and figured out that you and he are probably not compatible in some way even though your pretty face encouraged him to look!
You might also want to have a friend look at your profile and encourage you to include some other details about yourself or witty ways of expressing what you've already written. You might also look at the profiles of other women and steal some of their good ideas. Feel free to steal anything you like from mine! On my initial profile, I had basically written a book length story of the "Life of Kristen". I've learned since that "less is more." Also, even though I am super Catholic, I've not emphasized this in my first two paragraphs because I assume my 7/7 status, references to God, MA in Theology and my employment give more than enough indication of my super Catholic status. I want them to see other parts of who I am - that I am funny, active, fun, etc.
I've also found that if you change your profile picture often, it encourages more views. Even if you just keep alternating your picture with one other one, it makes a difference.
But overall 1 out of 7 views writing to you! Sounds pretty great, actually. There's about a million and a half reasons why you might not be a match for any given guy, but I dare say that, at least in your case, few of those reasons have to do merely with the trivialities of profile presentation.
So, yeah, good job!