I'm the president and lead photographer for the D5 Group, LLC.
Like you, I'm using Model Mayhem for TWO things. 1.) To network with professionals and 2.) To work with talented creatives on paid or co-op assignments. I'm NOT here to date, waste time, involve myself or team in drama or working with indecisive people. I say this not to sound arrogant but rather to be clear I am a professional who only works with professionally-minded people.
I'm a stickler for timely and good communication so if this is your strength as a creative, we're going to work just fine.
Lastly, I often seek models on here for paid assignments. The first thing I look at is not your photographs but rather, the last time you were on here. If it's been awhile, you may have a kick-ass port but I'm not going to waste my time trying to reach out. So my advice is this: If you take modeling or whatever you do on here seriously, stay active. Even if it's just once a week… opportunity waits for no one.