I haven't made gloves, but have made mittens. When I make the gusset, I make an extra stitch at each end of it so I can knit two together with stitches from the hand. It seems to help.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry