<human>: Can you provide a brief rundown of the text in within 3 sentences?

Hi /r/relationships! Before I get to my main problem, I'm going to give some background information on both of us because I feel like it's pretty important to how I'm feeling (So this might get kind of long)

In my last relationship, the man I was with was very overprotective when it came to men. There are many instances I could list, but just for anonymity, I won't post them here.

So obviously, that was an unhealthy relationship and fortunately it ended before it got worse. I recently found out that he is dating a friend of ours who he had actually introduced me to, while not surprising, it was still a little bit upsetting.

My boyfriend Jake has been very honest with me from the beginning of our relationship (Approximately 9 months). He told me that his last relationship ended because he was unhappy in the relationship and had started to reach out to other women.

He realized what he was doing was wrong, ended the relationship and in the two years since the relationship ended, he's worked on himself and has really grown as a person.

The issue now: Last week Jake was telling me that a new woman had been hired where he worked. She was wearing the same shirt as him so I'm assuming that they had a little conversation about it, since they clearly had what was on their shirt in common.

Today he told me that she asked him to eat lunch with her in the building because she said she "didn't have any friends" and he said that he felt really bad for her so he said yes. Now I'm not an awful person, I know what it feels like to not have any friends and feeling lonely in the work place.

I'm feeling concerned because of both of our situations and because I've never had this issue come up before, I've never been jealous of any women in my previous relationships. I'm pretty sure I'm just over reacting, but should I bring up this concern?
<bot>: I'm getting (unjustly?) jealous and concerned about a new woman at my BF's job. Looking for advice or just re-assurance.