Ways to boost sex drive?

Monica
Any ladies have any helpful tips on how to enhance my sex drive? I've never had a strong drive and I feel so guilty for not initiating sex with my BF very often. I'm a mom of two girls (one of which is a teenager, so I'm tired!), but I've always kind of been lacking in that department. I'm always so jealous of women who can get turned on at the flip of a switch!