husband wants ivf

hi iam new to this..so me and my husband had been ttc for 5 yrs no success..2 years ago i started seing a doctor and did some test and a lap surgery everything went great and i was healthy..did some tests on my husband and also healthy so we went ahead and did <a href="https://glowing.com/glow-fertility-program">iui</a>..first one and second one failed going on my 3rd and if does not work he wants me to do <a href="https://glowing.com/glow-fertility-program">ivf</a> BUT i dont want too because is expensive and we are healthy i can get pregnant so why do <a href="https://glowing.com/glow-fertility-program">ivf</a>? am i in the wrong for this? i feel petty af and is there any guarantee?