That's totally fine!
I've been doing the same thing for years, and I find that a lot of people naturally develop a hybrid style over time.
I've found that a fine or medium nib tends to be the most forgiving for this.
A broader nib can sometimes make it hard to differentiate between letters, especially with the tighter loops and connections of cursive.
But a fine nib gives you more control and a crisper line, which I think is great for switching between styles without your handwriting looking too messy!
I also prefer pens that are on the lighter side and have a comfortable grip.
When constantly changing hand movements, I noticed that a lighter pen prevents fatigue and just feels more natural.
Have you noticed any specific pens in your collection that feel particularly good for this?