Larger but that's not a problem...

Wilma hesitates for a few moments, her eyes running over your naked body before finally replying, "Sorry, John, Fred's much larger than you." She confides in you, holding her hands up to show you exactly how well endowed her caveman husband was.

"Really?" You say with a smile, concentrating your new powers once more, feeling your body changing, your manhood expanding to match and then exceed Fred's length. "Something like that?" You ask the shocked housewife, her eyes fixed on your now larger cock.

"How... How did you do that?" The attractive cavewoman asks breathlessly, leaning forward incredously, her hand reaching out to tenatively touch your newly acquired endowment.

"It's one of many tricks I know," You assure her with a smile as her slender fingers lightly caress the veined shaft of your cock, her hand now appearing tiny next to your gigantic erection. "Let me show you a few," You chuckle, reaching out for her, pulling the attractive cavewoman to you.

"God, John!" Wilma sighs, laying back on the stone couch, her body covered with a fine sheen of perspiration, her legs spread wide as your juices drip from her sex, "Fred's never lasted that long or tried any of those positions," She assures you with a contented smile, her large firm breasts heaving as she tried to catch her breath.

"Now you know what you've been missing," You reply with a smile as you admire the attractive cavewoman's body as she lounges there wearing nothing but a necklace of large pearls. You are just about to say something more when you hear a bellowing voice announce, "WILMA! I'm home!!!"

"Fred! You've got to hide," Wilma tells you, bolting to her feet and scrambling to get dressed once more. "He'll kill you if he finds you here."

You don't reply, simply grabbing your discarded animal skin robe and hurrying towards the nearest door. "I'll be back soon, Wilma," You assure her as you focus on the doorway, feeling the universe shift around you as you step through into...