Could this be what I think or am I overthinking it?

[Disclaimer - this question was reposted from my friend’s account (for her) with permission]

In one of my classes, there’s this guy who sits next to me, let’s call him X. Due to some complicated issues, I thought that he might really dislike me (and he would be perfectly justified to do so) (it’s probably not the case, however, but let’s not rule it out)

Today, we had a substitute so everyone sat wherever they wanted, more or less, so X sat in the seat one down from me. Another guy, Y, sat next to me instead. Throughout the whole class, Y made idle banter and chitchat, but there was one thing I noticed - I remember he cracked a joke once (which made me laugh) and then he turned around and said something to X that sounded oddly like “See?”.

Id like to mention very specifically that it wasn’t the only time - I did feel them staring at me (somewhat, it was almost a little disconcerting if I’m being honest) quite a few times and (both) and Y did keep answer quietly to X every now and then. I feel like they were talking about me (not necessarily good).

Furthermore, Y kept trying to read the messages that I was texting to my friends (who are girls, by the way.) I feel like this might be related because my friends and I had just been through a (very) long convo about X (who I kinda like) and I highly suspect that one of my “friends” told him about it. Could Y have been checking my messages to see if I had written anything about X? Because Y kept talking back to X and it’s very intriguing, in a way.

Does this whole encounter mean anything, or am I just overthinking everything because I tend to do that a lot?
Could this be what I think or am I overthinking it?
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