... Particularly when my wife isn't nearly as interested in keeping up with things as I'd like. In my wife's 401k, I have her in 1 fund, Vanguard Tgt Dated Retirement Fund (TDRF). In our rIRAs & my 401k, I have 12 funds / ETFs (LB, LV, MB, MV, SB, SV, REIT, LG/Med Intl B, EM, ISV, ISB, TIPS &am...