What are the thought process of these type of guys?

Context: I slept with someone I am talking to for over a month. It happened in their house (we sneaked in) and when we were about to leave his place we were got caught by his parents (no confrontation, just a long stare). Fast forward, after taking me home he updated me simply saying he's home and he also thanked me for giving him my time and it ended with good night. The next day, upon checking he deactivated his acc.

Ano kaya thought process ng mga kantot kalimot and/or avoidant guys.