Large boobs overflow those hands, hide the cock. On the positive side when you do blow titties this large you will hit what you are aiming at and if your happen to be between those nice big globs of fun press them in a little tighter and you have an automatic cleaner.
Now smaller ones are not really all bad. No sir. To be sure they have uses. Like for the itty bitty penis. Kidding. There is obviously the saying more than a mouthful is a waste. At the same time look at how you can hold, suck, and even fuck all at the same time. After all you need to be fed and sucking on suckers this size is sure to overflow those hands of yours. Swallow your penis up whole.
At the same time cum on boobs are able to be lifted to my mouth and you can watch as I lick them. You can’t do that will little ones. There are a lot of places that you can look for ideas to play with tits like these. Jumbo size. Watch some porn. Always an inspiration. After all they are like the outline of all ideas conceivable.
In the long run big boobies have many uses. Among them is fucking. Slapping them together. Blowing your load on them. Sucking on the nipples. A point often overlooked is if they are large enough you can do more than one thing at a time with them.
To put it another way, come play with these honkers. Giant marshmallows to be eaten. Squish them. Feel them.