Back on The Mail-In with Brett Merriman and Randy Trembacki filling in today. Here's what we've got:

1. How big of an age difference is too big when dating?

2. Should we do a registry for our new house or is that tacky?

3. Setting FaceTime boundaries with in-laws.

4. My girlfriend leaves her makeup bag in the car then blames me for not remembering to take it out.

5. Do I tell my sister I'm planning to get pregnant in the middle of her wedding planning season?

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