I am a parent of a 10 year old so I can offer a bit of advice/insight.
There is no way you will be able to play as much as you used to. Accept this, and you'll be better off. I rarely, if ever, played games around my son when he was young, and still don't. On the list of things I'd like to pass on to him, gaming is pretty damn low on the list. I tend to play at night after my wife and son have gone to bed. Despite this, my son still expressed interest in playing games. I didn't allow him to start playing until age 6 or 7, though. He is restricted on how much he gets to play, and I make sure he spends plenty of time outdoors and playing with other kids.
I would recommend getting a bit more picky about what games you play. Don't waste your time on mediocre stuff or you'll miss a lot of good games. I'd also look for shorter games or you'll be stuck on the same game for months at a time.
*spoiler alert* honest opinion on babies below!
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I don't envy you the experience of having a baby in the house. It was pretty much torture. Very little sleep, stinky diapers, incessant crying, etc etc etc. Let alone all the money spent on said stinky diapers, formula, and everything else. I absolutely could not wait for him to grow up.
I don't know how anyone ever decides to have more than one. The wife and I agreed that we didn't want to go through that again.
Now he's 10 and I love him to death and think(know) he's a great kid. Incredibly insightful, intelligent, respectful of other people, and full of that 10 year old wonder at life.