Well if dropping is for gifting, and people will complain without the drop, there should be a trade system and a drop system. The trade system could be an option, when you click someone, more actions, then trade. The other player could have the option to deny/accept the trade. Once accepted, you will be brought to a screen to scroll through your items and pick witch ones, and the quantity of each item. If during the trade, you dont want to trade, you could simply hit cancel trade. Once youve selected your items, you and the other player must both clikc trade. You will then be brought to another pop up asking you if you are sure you wanna trade. Then you hit accept. Now you have successfuly traded