I literally love him so much-
And no need to worry about him not getting physical affection, at least from Nico. Dude will literally throw himself at people the second she knows they're okay with physical touch.
He also actively seems out physically affection as a means of coping, so after the body arc they'll be stuck to Akira or Garvin at all times. Like, they might have a breakdown if one of the two isn't around-
Why them? Well, they're the ones that'll be there when the whole trauma with the body happens. They're the ones that took her in and supported him, therefore, Nico subconsciously named them his emotional (and partially physical) protection. So, yeah, he won't be going anywhere for a while.
And then, after the Andi arc, it's a similar thing. Though, this time, they kind of flipped their mindset. He just witnessed Garvin going through some severe trauma (which totally wasn't also traumatic for her, who would even say that? Obviously Garvin's the only one affected here!) And, being there, Nico will kind of subconsciously accept that they need to be there to help Garvin in the same way he helped her. They'll be more conscious about the physical touch after this arc because, again, they're pretty good at making sure everyone's comfortable with whatever he's doing, but you can bet that Nico will be holding Garvin's hand the second this guy even glances their way.
As for July? Yeah, that'll be a struggle-
Nico will probably get somewhat triggered by being pushed away (we love relationship trauma, lol), and, though she'll keep trying, it'll be kinda the same thing with Revan where he gets triggered and just goes all quiet and sad. Akira will also be very triggered by July, actually. Mainly due to trauma with the family, and then the second that Garvin physically pushed Nico away Akira's going into parental mode without even meaning to. That ought to be fun-
Actually, Ingall's easily the best one to handle July. He won't ever push anything, but he'll be checking in periodically, dropping off food but not forcing Garvin to eat and doing a little cleaning to make sure the space is still liveable, even if not totally clean. He'll also probably come in and sit down silently with a book or something. Definitely totally reading and not watching Garvin at all. Totally. Lol
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When it comes to receiving any form of love language, Nico will be overly excited about literally everything. You wanna spend time with them? Really?! Amazing! They love you to death for it!
Oh my God, you made him a gift?! Allow him to swoon over it and praise every inch of it, they'll cherish it forever!
You did an act of service for them? That's so fucking sweet!! She'll thank you for the next week!
You gave him some words of affirmation? Aww, they really don't think she deserves it, but the same is totally true for you! You're way more awesome than he is anyway!!
You wanna give physical affection? Say less! They'll fully smother you and thank you for wanting to be around him!
Akira's more casual about everything, but they adore literally anything any of their partners could possibly do for them. They'll probably try to one-up it though, be warned. They love whatever you did, they'll continue to thank you for it, but they'd be damned if they let you think they didn't love you more than you could possibly love them.
And Ingall's a ball of awkwardness. He loves anything any of his partners do for him, but he'll probably end up feeling bad because he doesn't feel like he could ever do anything as good. Oh, and he's really, really easy to fluster. I mean, you could look at him a certain way and he'd become a blushing mess. Will Akira use this to their advantage? Absolutely. After all, there's nothing sweeter than seeing your partner get all flustered, confused, and happy when you do something for them, lmao