[Looking at her flirtatiously]: "Now this . . . this is at last what I've been waiting for! This is why I've been repeatedly declining the elders' offer to make me a ministerial servant ... so that I can at last find and have this lovable lamb of my own private sheepfold to be ministered to in every way, with undivided attention..."
Or you can look at her and say: " 'And Jehovah looked upon his special creation and said: 'It is not good that this desirable one should be alone. I will make for her a man of her own, one who will not be bogged down with congregation duties to leave her alone at home. Yes, no titles must fall upon the man that I dedicate to her, to serve her and her alone.' ' Bro. Non-MS at your service..."
The good thing about a pickup line that comes out cheesier than you expect, is that you can always salvage it by pretending that you were deliberately trying to be funny to make her laugh. For example, if a girl laughs after hearing your cheesy pickup line you can do a triumphant "Yes!" gesture saying to yourself: "Yes! it worked! I got to hear that sexy laugh [or see that beautiful smile]!" Then you can say to her: "Admit it: that was the funniest pickup line you ever heard, wasn't it?"