    function sellEggs() public {
        require(initialized);
        uint256 hasEggs = getMyEggs();
        uint256 eggValue = calculateEggSell(hasEggs);
        uint256 fee = calculateDevFee(eggValue);
        claimedEggs[msg.sender] = 0;
        lastHatch[msg.sender] = now;
        marketEggs = SafeMath.add(marketEggs,hasEggs);
        ceoAddress.transfer(fee);
        msg.sender.transfer(SafeMath.sub(eggValue,fee));
        emit Sell(msg.sender, hasEggs);
    }