Weight gain !?

I'm 15 weeks and 1 day . I'm at 163 lbs. I started about 152. 😐 I feel like I'm gaining too fast but my significant other says I need to relax. I don't know. I'm not overeating but I have stopped working out because I'm busy at work (I work with kids- so I'm not not active) but I use to work out 5 days a week at least. I'm going to stop working in a few weeks and then I'll focus on working out more but I'm so nervous that I'm gaining way too fast. What do you all think? Very curious.