Kinda concerned my dad might pass out

So my mom told him when I was pregnant with my first so I missed his reaction. However my sister is about 4 months along and he nearly took the stove down with him when she told him she was pregnant. My brother just told us all he and his girlfriend are estimated 6 weeks pregnant. I am 4 & 1/2 weeks, but none of them know yet. I convinced them all to do lunch to celebrate and exchange Christmas gifts a couple weeks before Christmas, and I’m going to get our Dad a mug that says “only the best dads get promoted to grandpa” on it. I’m getting copies of both my siblings ultrasounds and I’m gonna put all three into the Mug and give it to our dad at lunch.

I’m kinda concerned he might pass out when he realizes that all three of his kids are having babies within a month or so of one another. Lots of babies! Lol

So what do y’all think? Good idea? Should i get them to put a mattress behind Him? Lol