Ian Kerner, PhD, LMFT is a licensed psychotherapist and nationally recognized sexuality counselor who specializes in sex therapy, couples therapy, and working with individuals on a range of relational issues.

Ian is regularly quoted as an expert in various media, with appearances on The Today Show, The Dr. Oz Show, and NPR.

He lectures frequently on topics related to sex and relationships, with recent presentations at New York University, Yale, Princeton and the Ackerman Institute.

Ian is the New York Times best-selling author of She Comes First (Harper Collins), which is the best-selling sex advice book of the last decade and has been translated into more than a dozen languages.

In addition to being a Clinical Fellow of the American Association of Marriage and Family Therapists (AAMFT), Ian is certified by the American Association of Sexuality Educators, Counselors and Therapists and is also a member of the American Family Therapy Academy (AFTA).

Find out more about his work at iankerner.com.

Newton's third law of motion states that for every action, there is an equal and opposite reaction.

And while double-ended sex toys probably didn't play a role in Sir Isaac's extensive research, they are a prime example of classical mechanics in action (bet all this physics talk is getting you hot and bothered, isn't it?)

What many people don't realize is that toys with double penetration features aren't just for couples – they're perfect for solo play too.

Think about it. We've been blessed with multiple erogenous zones, so why not light them all up at the same time?

So whether you're riding solo or bringing in a pocket-sized guest star to your couple's play, here are five top-of-the-range sex toys that can double your fun.

Wands are fantastic for delivering super-intense pleasure to all your external hot spots. And, thanks to their incredibly powerful vibrations, they're great for giving sensational and soothing body massages.

But, did you know that wands can also work their magic with anal sex? That's right, wands have their place in your backdoor artillery.

Read on for the top tips on how to enhance anal foreplay and sex with a rumbly massage wand.

Is there a sex toy in your imagination that you've never seen on the market? If you think you've got a future in sex toy design, we want to hear from you. Enter our design a sex toy competition and make your dream a reality.

Enter here.

In this week's video Sammi and Alix give you some tricks and hints on how to satisfy the judges and give your design the best chance.

Don't forget to subscribe to keep up to date with all our vlogs every week!

Sex dolls are designed to closely match the shape and feel of a real person, making masturbation about as close to sexual intercourse as you can get.

This guide will show you how to instantly upgrade your experience by transforming your love doll with a few simple hacks.

We get so caught up in using our vibrators for solo play that we often forget to bring our sex toys to the party!

Vibrators are great for masturbating with, but they also have the ability to take sex with a partner from fun to phenomenal.

What's more, if you are someone who can't orgasm from internal stimulation alone (and believe us, you're not the only one!) then incorporating your favourite vibe into your sex life could be a game-changer.

Here are 7 of the best sex positions for adding in your vibrator – there are countless more but those are for you and your vibe to discover first-hand!

It’s hard to believe that the Sqweel has only been in existence for three years. No sooner had we fallen for the softly rotating wheel of lapping tongues, the designers were dreaming bigger and better, listening to women’s wants and needs and creating the Sqweel 2, improving the toy’s speed, power and motion to give an even bigger range of blissful sensations.

The Sqweel is back and better than ever for round two! A lot of feedback, hard work and love went into this Sqweel update and we are so excited to share it with the world. Your satisfaction and sexual happiness is our main goal. The best way to make an informed decision about any sex toy is to ask the experts.

We took care of that and sent the Sqweel 2 out to some of the most thoughtful and outspoken sex educators and sex toy reviewers we could find.

Here’s what they have to say about Sqweel 2:

In anticipation of Valentine's Day we asked some of our favorite sex experts to send a little bit of loving advice our way. Being the kind, loving and sexy people they are, they obliged and sent us some quick tips, inspirations and ideas to make things even hotter and sexier this year.

Many thanks to our contirubtors for their thoughtful advice, which may just inspire you to try something new and exciting. Looking for an idea to change up your routine this Valentine's Day? These pros have got some ideas for you, and they don't have to cost a thing! You might even find a way to make some money if you're exhibitionist side comes out.

We'd love for you to share your thoughts and insights in the comments below and join the conversation with us on twitter @lovehoney_com

Happy Valentine's Day to all of you, no matter whether you're single, coupled or in a more complicated situation - you deserve love and sexual happiness!