Walker,
No expert, here, but I have some concerns from your earlier posts. First you had discussed breeding, then gutload/supplement issues now size concerns...
1-You said your male and female were housed together and as you know by now this is not a good thing even if they SEEM to get along. I would not consider breeding until you have them both healthy and separated and until you have done extensive research on all the details - cost, incubation, health, etc.
2-you really need to get your crickets onto a healthy gutload. Adding just romain lettuce will not do the trick. You can keep it simple by giving them different fruits/veggies every few days (apple, orange, squash, etc.) just keep them from getting moldy. this will be their moisture source as well as some nutrition. As for dry gutloads there have been numerous suggestions. Carlton made a good one in either a thread of yours or findaratot.
3- the growth problem is most likely from the poor gutload and improper dusting. I am NOT judging you here, just trying point this out 
My suggestion would be to re-read the replies to your posts and findaratot's (I include his b/c he has had similar questions).
Hope this helps you out some. It may seem confusing, but if you want to get your boy healthy you will need to make some changes. Continue to post your questions, concerns and confusion - and no matter what has recently been posted there are no stupid questions - only the ones you don;t ask
. Sure sometimes it gets tedious answering the same thing over and over but the last thing anyone here wants to do is alienate other cham keepers.
lele 
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0.1 veiled - Luna
0.2 house geckos - Gaia & Tia (both MIA 
0.2 felines - Kyndra and Líta
1.0 African Clawed Frog (for summer)
0.5 Mad. Hissers (for summer - all girls, no little ones, whew!)