This is exactly what happens when you make love interests and such be overall good people. You can't help but support them because you find them to be likable characters and want to let them have a happy ending.
"I'll be there Astina" though you've been stronger than me as a fucking child and if I went there I'd probably be a fucking hindrance. No like where does your pride come from little boy?
Usually when your have competing male interests, there is a bullshit reason why they are there. But there is an actual reason why this guy would be interested in MC.