No. Gifts are gifts, and they can't be taken back just because the 2 of you broke up. If he sues youb for the value of the furniture, your texts prove that it was a gift and not a loan that you had to repay.
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As a practical matter, it's going to be a lot easier for you if he never takes the furniture in the first place. Depending on your particular situation, it may be appropriate to deny him access to your home.
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Property given during a romantic relationship are generally considered gifts. I agree with my colleague, if your ex boyfriend has no right to be in your property, then I would keep him out. Your ex can then try to bring an action against you in an attempt to "recover" the property, but his action should fail because the 3 parts of property becoming a gift have been satisfied. Namely, intent (which can be proven by his texts), acceptance, and delivery (based on the fact that the property is in your house, these last 2 are evident as well.
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