I believe whole heartedly that men and women can maintain a platonic friendship. This isn't to say that some "couples" do not struggle. Also, this isn't to say that those who find attraction towards another cannot get past that.
The below video isn't completely accurate for all but accurate for some. Never the less it makes me sigh.
Why Men and Women Can't Be Friends
Answering the age old question, Young Independent Filmmakers Jesse Budd and Patrick Romero set out to simply prove a point. email questions or suggestions to firstname.lastname@example.org
Let's stretch the conversation a bit. The below articles are very thought provoking.
Why Do Some Dudes Assume All Their Friends Want to Bang Them? by Hugo Schwyzer.
Can Men and Women "Just" Be Friends? A Completely Unscientific Survey by Meghan Murphy