Our editor Amelia is turning 30 in a week and her essay on the subject really resonated with Frisky readers, both younger and older than 30. With that in mind, we’ll be reposting our “Before 30” series, which originally ran late last year, over the next few weeks. Enjoy!

When we were kids, we watched “Sesame Street” with the same fervor and obsession that we now bestow upon “Mad Men” and, OK, we admit, “The Real Housewives.” Today the show is celebrating its 40th anniversary. With that in mind, we look back at the 14 most awesome female guest stars. Above, Madeline Kahn sings with Grover. At the time I didn’t realize he was kind of ... flirting. Keep clicking for more!

We’re not going to lie. Women are a fickle sort. When it comes to sex, some women like this, some women like that, and some women don’t know what the hell they want. One thing we are sure of, though, is if you’re bad in bed—at least, in our opinion. Maybe it’s us. Maybe it’s you. But if the sparks aren’t flying when we’re banging uglies, it could be because we think you don’t have what it takes in the bedroom. What’s up with that? Find out the top five reasons we think you don’t cut it, after the jump.

What's your number? Not your telephone number. The number of sex partners you've had in your life. From zero to 99, a woman's number can be a source of pride or anxiety. How low is too low? How high is too high? Or maybe your number is just right for you. If a significant other asks what a woman's number is, some women round up and some women round down. We here at The Frisky want to find out the truth about your sex stats.

Ever notice how a lot of blogs for dudes are 99 percent links to stuff for guys to masturbate to? We here at The Frisky wonder how guys have time to do anything else, what with all that self-spanking time on their hands. Lady blogs are a different story altogether. But that got us thinking: How often do women masturbate? Once a day? Once a week? Once a month? Once a year? According to PyschologyToday.com, 38 percent of women said they'd masturbated only once during the last year. On the other hand, About.com's Men's Health section says men masturbate around two or three times a week. We can't help but wonder if this is the whole story.

Our friends over at Asylum created a handy guide on “How to Praise Your Lady’s Vagina.” Do guys really need tips on stuff like that? What is the proper etiquette for a vagina conversation? Do women actually need vagina compliments? Anyway, “Your vagina is so much hotter than my last girlfriend’s vagina” inspired us to create a comparable list for the ladies. Face-to-face with a man’s penis, what’s a girl supposed to say? Our suggestions, after the jump!

Are you a dude on an online dating site? Are you having trouble getting women to actually go out with you? Not sure why? The problem may be you! From corny pickup lines to photo no-nos to profile mistakes, The Frisky gives you the lowdown on the top five mistakes men make when dating online—from the female perspective. Get it right and we might let you take us out on a date!

In episode 11 of “MERRIme.com,” after dinner with Mac and his boyfriend Christian, Merri realizes that Drew is just a “friend” and Patrick is much, much more. Has that happened to you before? Where you’ve woken up one day and realized you had feelings for someone you never thought you would?

Not sure if you want to spend $3.99 on this month’s Vogue? The Frisky team weighs in on this month’s crop of lady mags to tell you what’s up in fashion, sex, love, and all the rest.

September is upon us, which naturally means that it’s fall fashion madness. It’s the biggest month for the lady mags, and the one readers anticipate the most as well. Read on to find out what style advice the glossies offered up.

Sigh. Merri, Merri, Merri ... What on earth were you thinking? Last time we saw Merri, she was dumping the hot teacher from “90210”—way to go, sister! The Gossip Guys join us in giving Merri a slap on the wrist. [MERRIme.com]