Why would he do this?

[Sailormoon95]

I had a reaaallly good guy friend when I was a baby. But then all of a sudden he would be gone for days. He and his brother would take care of me. Sometimes, I'd here him in the attic watching me thinking I wouldn't know this. I'd hear from him now and then, are these red flag signs?

[EmbraceThePain]

Write better please. I feel your question is confusing due to the grammar and punctuation.

[Wise4myage]

I don't see any red flags.