I can't say for certain, but I often feel like my libido is higher than my husband's. I could have sex 5+ times a week and still want more, but most of the time I'm lucky to get once a week unless I tell him it's fertile week (we're both on the TTC train!). There are even times when two or three weeks go between. I'm fine to and enjoy going after him sometimes and making the move, but I also want to be pursued and have him be the instigator.