Men that don't take resposibility for contraception methods are assholes plain and simple. I've always been responsible exactly because it's simpler for me than it is for the women.
Anyway, I'm not gonna get into detailed discussion 'cause I simply don't give a crap anymore. I guess nobody can tell me if there's a good does of the DP to try, but I'm not gonna worry about it, I'm gonna talk to my doc even if he freaks out...