I did some research and found out some things about couples where the husband kisses and suckles at the breasts:
1. When ever a girl's breasts ache or are sensitive, everytime the guy worked on them for even 15 minutes, the girl's discomfort was alleviated.
2. If done regularly enough and with great passion, a woman's breasts will over the course of few weeks, grow in breast size, even in their mid-20's.
3. A girl will sometimes even begin producing milk, even if they aren't pregnant.
4. A girl in such a relationship has talked about looking forward to "breast sessions" with their partner.
5. All the couples who do this have talked about how their relationship went to a whole other level emotionally and physically, and in at least two unrelated stories, there was mention of the wife experience this sensation that she knows what her husband is feeling.
6. Several of the women in the stories I have read have mentioned that after the breast act, that they experienced immediately being aroused, "being wet". Being ready for sex after a passionate breast session appeared to be a common occurrence in these couples, one even mentioned being "unexpectedly welcome" to it after the act.
7. The youngest couple I read about had just turned 18 at the time of their writing and had been practicing it through out their teens.
8. Several of the woman have said that it's very, very different from breast feeding a baby, which is non-sexual and calm. While the one they do for their husbands, their breasts are sometimes sexually aroused or sensitive during the acts, and the production of milk that can occur from these acts is in response to the husbands love for her.
I ended up researching this when I was looking up if guys kiss their partners breasts and eventually found many stories about breast suckling and personal anecdotes through out the internet. I think this side of breasts is something not well known and indicates that the dual nature of breasts isn't limited to just how it looks, but in its function as well.
What do you think about kissing and suckling at the breast as an act of love?
For all you couples out there, I can only hope you find new and more passionate ways to express your affection for each other. I only bring this to you so you can know of another method to get closer to the person you love.