heart shape is a classic symbol of love. Even a grocery list will seem friendly when it's written on something like this. These are sticky on the back, so you can leave friendly comments just about anywhere.
If all hearts all the time is just too much, mixing it up with flowers and speech balloons adds an extra element of surprise.
pancakes and eggs doesn't take any extra time, and is a great way to start the morning. The kids will love these. I tried a pan with heart-shaped depressions, but it was impossible to flip the pancakes. This is easier because you can just lift the forms up.
duct tape roses for my husband. But I think this is a hilarious idea, and perfect for the manly do-it-yourselfer in your life.