Time is running out for Simon and Isabelle to finally start a romance on Shadowhunters.

From what the audience has seen so far in Shadowhunters Season 3 Part Two, Sizzy seems to be no closer to getting together than they were a year ago.

With only seven episodes left in the series, Shadowhunters needs to start developing their relationship with the love and care it deserves.

But before we dive in, don't forget that you can witness Simon and Isabelle's relationship firsthand and watch Shadowhunters online right here at TV Fanatic!

It's no secret that Simon and Isabelle are going to get together at some point during Shadowhunters Season 3.

We all witnessed the almost kiss on the official Shadowhunter Season 3B trailer as well as some other intimate scenes between the two.

The problem is, we are no closer to getting to there than we were in past seasons. And by that, we don't mean physically but in terms of their relationship growth and screentime.

Simon and Isabelle have been building a strong friendship for the entirety of Shadowhunters, and it's an excellent foundation for them to eventually start a romantic relationship.

But building up a friendship and building up a romance isn't the same thing.

Shadowhunters: 13 Reasons We Ship Sizzy

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Sure, a romance is easier to create and usually better if it's based off a friendship, but even relationships between best friends need romantic development in order to be successful.

If a writer is going to put the time and dedication into building a slow burn, they need to pull out all the stops.

You get what you give, and while slow burns can often be the most satisfying relationships, they also require the most care.

The build-up (or rather dragging out) of Simon and Izzy's relationship has been following an odd pattern. Especially considering it was one of the main romances they were building towards since day one.

Most slow burn ships interact in the majority of the episodes, which is what makes it a slow burn in the first place.

The two characters spending time together, yet not being together makes the relationship equally frustrating and desirable.

It's basically a show's way of dangling a what viewers want in front of their faces but keeping it just out of grasp. It's also what keeps fans of the series coming back for more.

Relationships need that time to gain the audience's love as well as patience, which is why Sizzy's current predicament is so puzzling.

Simon and Izzy have spent the entirety of Shadowhunters either being completely ignored or the center of attention.

They have about three episodes a season that focus solely on their friendship, and about five or six in a row where they forget the other exists.

For every step forward they take, it feels like they're taking two steps back.

The problem isn't with the ship. How could it be with such amazing chemistry between the characters?

The problem is the way their story is written in random clusters rather than interwoven steadily throughout the series.

And here we are, with seven episodes left in the series and no romantic buildup between one of the main couples.

At this point, could it even be done without feeling wrong and rushed?

Simon literally just got out of a serious relationship an episode ago, and Isabelle spent the entirety of Shadowhunters Season 3 Episode 15 mourning her failed romance with Raphael.

Considering where we're currently at in the characters' lives, it feels like the writers would be shoving them together rather than actually getting them together.

This doesn't feel like the right time for Simon or Isabelle to be in another relationship, but because of the time limit, this is Shadowhunters only chance.

For Sizzy, it's now or never.

Simon and Isabelle deserve it all. They deserve the proper build-up and to be in the proper headspace when they finally embark on this journey together.

There's also the fact that fans may not even have time to experience them as a couple. Which leads to the question, which would we rather sacrifice?

Is it better to continue to develop them and put Simon and Izzy together in the very end, or get them together quick enough for the audience to experience them in a romantic relationship?

It's one or the other at this point, and unfortunately, there's no turning back the clock.

If Shadowhunters had been renewed for a fourth season things would be different, but that doesn't change the fact that Simon and Isabelle's relationship was too random and sporadic.

We love Sizzy immensely, so we'll take what we can get in the final episodes. Unless anyone wants to pick it up? You know, just putting that out there.

But it does feel like a lot of wasted potentials as there were many opportunities to grow such a core relationship to the series.