One of two things. 1) contact them, tell them they inadvertently took a cooler that you wanted to keep and ask them if they could get it back to you ASAP as you use it and can't get any more like it.
Or 2) let them keep it and keep the peace in the family.
Frankly I prefer the first one as the second one is going to eat away at you till resentment builds up more and more.
A friend once told me that I let people walk on me rather than cause conflict by standing up to them.
She was right. One day she walked on me and I ended the friendship, or rather she did because I didn't let her walk on me.
Don't let people walk on you granny. If they love you and respect your wishes they will bring the cooler back. If they don't bring it back, you know where you really stand with them.
Or 2) let them keep it and keep the peace in the family.
Frankly I prefer the first one as the second one is going to eat away at you till resentment builds up more and more.
A friend once told me that I let people walk on me rather than cause conflict by standing up to them.
She was right. One day she walked on me and I ended the friendship, or rather she did because I didn't let her walk on me.
Don't let people walk on you granny. If they love you and respect your wishes they will bring the cooler back. If they don't bring it back, you know where you really stand with them.