An obsessed stalker bombarded his "terrified" former girlfriend with dozens of messages and calls and even paid a man to track her down and keep an eye on her.
Ryan Marrazza, 29, was so determined to monitor the woman's movements that he told the other man to travel to find her.
When he discovered her location, he sent an image message stating: "Time for a trip to the seaside."
Hull Live reports that the woman was too scared to leave her hotel in case he was waiting for her, Hull Crown Court heard.
Marrazza, of Hull, admitted to stalking between October 2 and 12.
Stephen Robinson, prosecuting, said that Marrazza and the woman had been in a relationship for about six years and had two children together, one aged three years and the other just 16 weeks.
He was arrested on September 14 for offences against her, which were not proceeded with, and he was on bail and ordered not to contact her.
She moved to Bridlington and believed that Marrazza did not know this but he telephoned her a number of times.
He told her: "I'm sorry, babe, I have realised what I have done. I have learned my lesson.
"You need to drop the court case. I am a changed man."
The woman received WhatsApp messages, including one saying that he was sorry and "wanted to sort things out".
She received a telephone call from a new number in which he said: "I'm really sorry. I know where you have been."
Marrazza told her that he knew how much she had spent at Tesco, which amusement arcades she had been in and knew about her new phone and contract.
He asked her in a WhatsApp message: "What have I done wrong? xxx."
The woman received a Snapchat friend request from Marrazza and four telephone calls between 12.30am and 3.49am.
He told her: "I love you and just want to be with you."
There were 38 missed calls between 12.30am and 3.50pm. She answered one of them and he asked her to drop the charges.
"He said that he didn't want to go to prison, loved her and wanted them to be together," added Mr Robinson.
Marrazza also sent a friend request, messages and pictures to her on an account which appeared to have been set up just for this because she was the only person he followed on Snapchat.
Marrazza had even been paying for a man to travel from Hull to Bridlington to monitor her movements.
He sent a message to another man asking what was going on between him and the woman.
Marrazza posted a picture message saying: "Time for a trip to the seaside" - referring to where she was in Bridlington.
"She was scared to leave her hotel," said Mr Robinson.
Marrazza made two telephone calls from an unknown number and told her: "You are out of order."
He was arrested on October 12 but denied everything and made no comment.
"It was persistent action over a long period," said Mr Robinson.
"There was some degree of planning and clearly some distress caused to the victim."
The woman had since moved to a new home where she felt safe.
"She feels able to move on in the knowledge that the defendant can no longer hurt or control her," said Mr Robinson.
His previous convictions included sexual activity with a girl aged between 13 and 16 in 2010, theft in 2010, taking a vehicle without consent and being the owner of a dangerous dog in 2013.
David Godfrey, mitigating, said that Marrazza had suffered problems but was now on a more even keel.
He had been working on Hull docks unloading timber until his remand into custody about five months ago.
"He acknowledges unreservedly that the relationship is over," said Mr Godfrey.
"He has no intention of rekindling it or attempting to rekindle it."
Marrazza had not been in trouble since 2013.
Judge John Thackray QC told Marrazza: "This is a very serious offence. It has a profound effect upon victims, who sometimes never recover from the effects of it.
"Your former partner must have been terrified by your actions. It must have been a very difficult time for her."
Marrazza was given a one-year suspended prison sentence, with a Building Better Relationships course, and a 10-year restraining order.
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