If you don't feel comfortable relegating your contact to Friend Request Limbo, you can instead send him or her to the halfway house of your limited profile.

CNN: How to handle unwanted friend requests

If you don't feel comfortable contributing a full 20% of your income to retirement and long- term savings, at least stash the maximum into your employer's retirement savings account, an IRA or self- employed retirement plan.

NPR: Untangle Your Finances Before Tying the Knot

But if you feel comfortable with three, don't try to expand the number.

FORBES: Magazine Article

"You find a lot of middle and upper managers don't feel comfortable letting people out of their sight, " says Prof Rockmann.

BBC: Has mobile working come of age?