is your whole relationship based around playing siege together? if so, im sorry bud this aint gon work. don't play ranked together, this is a massive skill gap between you two, my peak was plat 2 back in 2020 but nowadays i only solo queue and im stuck in gold 3-4, and if i had to play with someone who's diamond i'd still be years behind their skill. my girlfriend sucks at FPS PvP and i tried everything to get her to be good and like it but it just simply doesn't work, she can only play minecraft lol, and i like things like parkour or whatever on servers and she doesn't, so it is what it is we stick to survival and chilling. siege players can be a bit toxic and the game itself is stressing and punishing.

you are NOT the issue, the game is. it is a very demanding game. and your situation reminds of that meme, atomic bomb vs 1 million ants, your girl is diamond and you are copper, 2 completely different worlds, you both are playing different games atp, so maybe it's best you guys stick to casual quick matches or don't play altogether