Tricks tO MakE a mAn cUm quickEr?

Yes I know that this is the opposite of the normal problem but my gorgeous man takes a long time to cum. He's amazing in bed but when I'm sucking his coCk it turns into a lifetime career!!! I pride myself on my blOwJobs as I love giving them, but a girls mouth can get tired. Any tips on how to make him cum quicker guys?