She's only thinking of the cute kids that will spawn from those two. So she's already acting like a grandma.
I'm pretty sure he also loves his own little sister.
Also reminds me of how the "we're not the same" meme is usually used. To step down on someone else to make yourself feel better.
Can't say you're jealous and not throwing a tantrum while not showing jealously and throwing a tantrum. That's a rule somewhere.
And he loves his mum.
While Konoha is on occasion a bit of a weirdo, she does have her priorities in order. Although the former isn't bad. But I'm pretty sure that kid is on the loyal side.
Sometimes, she says some great stuff.