People often think that abuse happens randomly and abruptly. We know that abuse typically escalates over time, it can just be slow, with abusive incidents happening in spread out moments. Things do escalate to more and more extreme acts, so it is important to understand escalation and trust your gut if things seem to be getting more extreme.
The National Domestic Vioence Hotline is here to help: https://bit.ly/escalation-of-abuse