16 videos is founds. |
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| | time | views | |
| How Sleep Can Improve Your Sex Life | 2:11 | 186,523 | 1 more list |
| What We Know About Female Sexuality | 5:15 | 198,930 | |
| Why Old People Sex Freaks Us Out | 3:28 | 108,793 | |
| What We Know About Female Ejaculation | 2:47 | 354,399 | |
| Why Lizard Penises Evolve So Fast | 2:55 | 82,484 | |
| Birth Control Pills Make Ugly Men Hot | 3:14 | 116,794 | |
| Alcohol Is Ruining Your Sperm! | 2:15 | 75,635 | |
| Should You Be Using This Kind Of Birth Control? | 3:48 | 100,039 | |
| Can You Have Sex While You’re Asleep? | 3:51 | 445,800 | |
| Sex Positions That Don’t Hurt Your Back! | 2:22 | 205,042 | |
| Why Are Animals Having Sex In Space? | 3:38 | 94,228 | |
| Why Drunk Sex Can Hurt Your Relationship! | 3:29 | 177,322 | |
| How You're Destroying Your Sperm! | 2:42 | 325,579 | |
| Can Avoiding Sex Help You Win a Game? | 3:52 | 87,349 | |
| When Are Moms Most Likely to Make Babies? | 3:45 | 119,297 | |
| Can Having A Big Penis Hurt Your Relationship? | 2:32 | 335,110 | |
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