He (my ex) comes online on for like 15-30 secs multiple times a day. I was one of the few people that he chatted with. Is he probably checking on me?

He usually comes online on whatsapp during the day and the evening.

He (my ex) comes online on for like 15-30 secs multiple times a day. I was one of the few people that he chatted with. Is he probably checking on me?
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