Why Justin Bieber is proposed to Hailey Baldwin

Justin Bieber could not be more serious about marrying Hailey Baldwin

Although questions arose about the romance and commitment of the young couple, a source said to PEOPLE that Bieber is deeply engaged in their relationship

this is not a joke for him. He proposed because "he really feels that Hailey is the love of his life," says the insider. "He had a difficult time last year, but he worked very hard. hard to change and find more meaning in his life. Hailey could not make him happier. "

RELATED: Justin Bieber confirms the commitment of Hailey Baldwin:" My heart is completely and entirely yours "

While the pair continues to enjoy their holidays in the Aux Bahamas, where the 24-year-old singer asked the 21-year-old model, is talking about going back to New York, where they spent a lot of their time going out together

to the Bahamas for as long as possible. They have the best time, they just like to be betrothed, they know when they will leave, there will be a lot of attention on them, "says the source. "Justin issued the statement because he wants everyone to know why he proposed and what he thinks of Hailey."

RELATED: Justin Bieber and Hailey Baldwin are engaged! He is "extremely happy," says Source

The singer "Love Yourself" officially announced that he was planning to marry the model Baldwin with a loving tribute on his Instagram Monday.

say everything, but the word travels fast, just listen to Hailey I'm so in love with everything about you! "Bieber writes in the legend."

"So committed to spending my life getting to know every part of you by loving you patiently and kindly," he continued. "I promise to lead our family with honor and integrity by letting Jesus guide through his Holy Spirit in everything we do and every decision we make. "

RELATED VIDEO: Selena Gomez goes out with longer locks like Ex Justin Bieber Confirms commitment by Hailey Baldwin

The model tweeted a few minutes after the message of her fiancé, writing, "I do not know what I have done in life to deserve such happiness but I am so grateful to God for I have given this incredible life with! No word could ever express my gratitude. "

Justin Bieber and Hailey Baldwin

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Bieber and Baldwin previously dated before, splitting up in 2016.

After leaving, "we went through a long period of time when we were not friends, "Baldwin recently said in the UK. newspaper The Times .

The same year, Bieber told GQ that he did not want to "rush in any matter" in case the couple would eventually get married one day

. ] "And if Hailey ended up being the girl I'm going to marry, no? If I rush into something, if I damage it, it's always going to be damaged. It's really hard to repair wounds. like that, it's so hard … I just do not want to hurt her, "he told the magazine

. A source told People that Bieber "knew a few weeks ago that he wanted to propose" to Baldwin. The source added, "He sees marriage as something very special – he would never suggest he was not crazy about Hailey."