Calum accidentally getting pregnant and not wanting the baby :(( because it "ruined his life", like his parents had kicked him out for being gay and having sex with another guy, but Michael is begging to keep his kid :((( and Calum agrees and slowly over the pregnancy Calum falls in love with the unborn child, and when their son is finally born he's crying and kissing Michael and telling him how perfect their little boy is :((( I can only imagine how Michael would react :((((
GOD bonus points if this is like Knocked Up, where maybe Calum and Michael weren’t together before Calum got pregnant. And although they’re different–Calum’s got big plans for the future, Michael has a part time (at best) job and he lives in a tiny apartment with his two best friends–they fall in love over the course of Calum’s pregnancy and they both fall in love with the baby and even though they disagree a lot Michael starts making efforts to be more of an Adult, to be the other parent that this baby deserves. To be the man that Calum deserves :’)