My favorite needle size: the one that i use the most would probably be 4.0mm, but I love knitting with small needles like 2.5 mm and 3.0 mm. My favorite yarn weight is sport (I guess this goes hand in hand with my favorite needle sizes) I almost only knit with circular needles (I knit with the magic loop method). I dislike knitting with straight needles because I think the ends always bump into everything (like armrests), they don't fit nicely into a bag and our cats find the ends waving in the air irresistible. I avoid seaming whenever it's possible and often alter patterns so that I can knit in the round (one more reason to prefer circular needles) I'm not very good at seaming and I think it's boring and takes forever. I also hate weaving in ends (doesn't everyone?). It usually takes me a further day or two to actually finish a piece after binding off the last stitch until I have finally seamed everything together, woven in the ends and attached buttons (